<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">usfd</journal-id><journal-title-group><journal-title xml:lang="ru">Ультразвуковая и функциональная диагностика</journal-title><trans-title-group xml:lang="en"><trans-title>Ultrasound &amp; Functional Diagnostics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0771</issn><issn pub-type="epub">2408-9494</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">usfd-209</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>РЕКОМЕНДАЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GUIDELINES</subject></subj-group></article-categories><title-group><article-title>Практические рекомендации ISUOG: роль ультразвукового исследования при ведении беременности двойней</article-title><trans-title-group xml:lang="en"><trans-title>ISUOG Practice Guidelines: role of ultrasound in twin pregnancy (translation into Russian)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Khalil</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Rodgers</surname><given-names>M. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Baschat</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Bhide</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Gratacos</surname><given-names>E. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Hecher</surname><given-names>K. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Kilby</surname><given-names>M. D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Lewi</surname><given-names>L. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-7"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Nicolaides</surname><given-names>K. H.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-8"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Oepkes</surname><given-names>D. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-9"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Raine-Fenning</surname><given-names>N. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-10"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Reed</surname><given-names>K. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-11"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Salomon</surname><given-names>L. J.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-12"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Sotiriadis</surname><given-names>A. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-13"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Thilaganathan</surname><given-names>B. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Ville</surname><given-names>Y. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-12"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>St George's University of London</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-2"><institution>University of York</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-3"><institution>The Johns Hopkins Center for Fetal Therapy</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-4"><institution>University of Barcelona</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-5"><institution>University Medical Center Hamburg-Eppendorf</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-6"><institution>University of Birmingham and Fetal Medicine Centre</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-7"><institution>University Hospitals Leuven</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-8"><institution>King's College Hospital</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-9"><institution>Leiden University Medical Center</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-10"><institution>University of Nottingham</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-11"><institution>Twin and Multiple Births Association</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-12"><institution>Universite Paris Descartes</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-13"><institution>Aristotle University of Thessaloniki</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>03</month><year>2024</year></pub-date><volume>0</volume><issue>2</issue><fpage>70</fpage><lpage>103</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Khalil A..., Rodgers M..., Baschat A..., Bhide A..., Gratacos E..., Hecher K..., Kilby M.D., Lewi L..., Nicolaides K.H., Oepkes D..., Raine-Fenning N..., Reed K..., Salomon L.J., Sotiriadis A..., Thilaganathan B..., Ville Y..., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Khalil A..., Rodgers M..., Baschat A..., Bhide A..., Gratacos E..., Hecher K..., Kilby M.D., Lewi L..., Nicolaides K.H., Oepkes D..., Raine-Fenning N..., Reed K..., Salomon L.J., Sotiriadis A..., Thilaganathan B..., Ville Y...</copyright-holder><copyright-holder xml:lang="en">Khalil A..., Rodgers M..., Baschat A..., Bhide A..., Gratacos E..., Hecher K..., Kilby M.D., Lewi L..., Nicolaides K.H., Oepkes D..., Raine-Fenning N..., Reed K..., Salomon L.J., Sotiriadis A..., Thilaganathan B..., Ville Y...</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://usfd.rdsmedia.ru/jour/article/view/209">https://usfd.rdsmedia.ru/jour/article/view/209</self-uri></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">National Collaborating Center for Women's and Children's Health (UK). Multiple Pregnancy. The Management of Twin and Triplet Pregnancies in the Antenatal Period. Commissioned by the National Institute for Clinical Excellence. RCOG Press: London, September 2011.</mixed-citation><mixed-citation xml:lang="en">National Collaborating Center for Women's and Children's Health (UK). Multiple Pregnancy. The Management of Twin and Triplet Pregnancies in the Antenatal Period. Commissioned by the National Institute for Clinical Excellence. RCOG Press: London, September 2011.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Martin JA, Hamilton BE, Sutton PD, Ventura SJ, Menacker F, Kirmeyer S, Mathews TJ. Births: final data for 2006. Natl Vital Stat Rep 2009; 57: 1-102.</mixed-citation><mixed-citation xml:lang="en">Martin JA, Hamilton BE, Sutton PD, Ventura SJ, Menacker F, Kirmeyer S, Mathews TJ. Births: final data for 2006. Natl Vital Stat Rep 2009; 57: 1-102.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Sebire NJ, Snijders RJ, Hughes K, Sepulveda W, Nicolaides KH. The hidden mortality of monochorionic twin pregnancies. Br J Obstet Gynaecol 1997; 104: 1203-1207.</mixed-citation><mixed-citation xml:lang="en">Sebire NJ, Snijders RJ, Hughes K, Sepulveda W, Nicolaides KH. The hidden mortality of monochorionic twin pregnancies. Br J Obstet Gynaecol 1997; 104: 1203-1207.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Joseph K, Liu S, Demissie K, Wen SW, Platt RW, Ananth CV, Dzakpasu S, Sauve R, Allen AC, Kramer MS; The Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance System. A parsimonious explanation for intersecting perinatal mortality curves: understanding the effect of plurality and of parity. BMC Pregnancy Childbirth 2003; 3: 3.</mixed-citation><mixed-citation xml:lang="en">Joseph K, Liu S, Demissie K, Wen SW, Platt RW, Ananth CV, Dzakpasu S, Sauve R, Allen AC, Kramer MS; The Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance System. A parsimonious explanation for intersecting perinatal mortality curves: understanding the effect of plurality and of parity. BMC Pregnancy Childbirth 2003; 3: 3.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Hack KE, Derks JB, Elias SG, Franx A, Roos EJ, Voerman SK, Bode CL, Koopman-Esseboom C, Visser GH. Increased perinatal mortality and morbidity in monochorionic versus dichorionic twin pregnancies: clinical implications of a large Dutch cohort study. BJOG 2008; 115: 58-67.</mixed-citation><mixed-citation xml:lang="en">Hack KE, Derks JB, Elias SG, Franx A, Roos EJ, Voerman SK, Bode CL, Koopman-Esseboom C, Visser GH. Increased perinatal mortality and morbidity in monochorionic versus dichorionic twin pregnancies: clinical implications of a large Dutch cohort study. BJOG 2008; 115: 58-67.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Southwest Thames Obstetric Research Collaborative (STORK). Prospective risk of late stillbirth in monochorionic twins: a regional cohort study. Ultrasound Obstet Gynecol 2012; 39: 500-504.</mixed-citation><mixed-citation xml:lang="en">Southwest Thames Obstetric Research Collaborative (STORK). Prospective risk of late stillbirth in monochorionic twins: a regional cohort study. Ultrasound Obstet Gynecol 2012; 39: 500-504.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Garne E, Andersen HJ. The impact of multiple pregnancies and malformations on perinatal mortality. J Perinat Med 2004; 32: 215-219.</mixed-citation><mixed-citation xml:lang="en">Garne E, Andersen HJ. The impact of multiple pregnancies and malformations on perinatal mortality. J Perinat Med 2004; 32: 215-219.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Luke B, Brown MB. The changing risk of infant mortality by gestation, plurality, and race: 1989-1991, versus 1999-2001. Pediatrics 2006; 118: 2488-2497.</mixed-citation><mixed-citation xml:lang="en">Luke B, Brown MB. The changing risk of infant mortality by gestation, plurality, and race: 1989-1991, versus 1999-2001. Pediatrics 2006; 118: 2488-2497.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Chan A, Scott J, Nguyen A, Sage L. Pregnancy Outcome in South Australia 2007. Pregnancy Outcome Unit, SA Health: Adelaide, 2008.</mixed-citation><mixed-citation xml:lang="en">Chan A, Scott J, Nguyen A, Sage L. Pregnancy Outcome in South Australia 2007. Pregnancy Outcome Unit, SA Health: Adelaide, 2008.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Elliott JP. High-order multiple gestations. Semin Perinatol 2005; 29: 305-311.</mixed-citation><mixed-citation xml:lang="en">Elliott JP. High-order multiple gestations. Semin Perinatol 2005; 29: 305-311.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Laws PJ, Hilder L. Australia's Mothers and Babies 2006. AIWH National Perinatal Statistics Unit: Sydney, 2008.</mixed-citation><mixed-citation xml:lang="en">Laws PJ, Hilder L. Australia's Mothers and Babies 2006. AIWH National Perinatal Statistics Unit: Sydney, 2008.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Tucker J, McGuire W. Epidemiology of preterm birth. BMJ 2004; 329: 675-678.</mixed-citation><mixed-citation xml:lang="en">Tucker J, McGuire W. Epidemiology of preterm birth. BMJ 2004; 329: 675-678.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Salomon LJ, Cavicchioni O, Bernard JP, Duyme M, Ville Y. Growth discrepancy in twins in the first trimester of pregnancy. Ultrasound Obstet Gynecol 2005; 26: 512-516.</mixed-citation><mixed-citation xml:lang="en">Salomon LJ, Cavicchioni O, Bernard JP, Duyme M, Ville Y. Growth discrepancy in twins in the first trimester of pregnancy. Ultrasound Obstet Gynecol 2005; 26: 512-516.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Dias T, Mahsud-Dornan S, Thilaganathan B, Papageorghiou A, Bhide A. First-trimester ultrasound dating of twin pregnancy: are singleton charts reliable? BJOG 2010; 117: 979-984.</mixed-citation><mixed-citation xml:lang="en">Dias T, Mahsud-Dornan S, Thilaganathan B, Papageorghiou A, Bhide A. First-trimester ultrasound dating of twin pregnancy: are singleton charts reliable? BJOG 2010; 117: 979-984.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Chaudhuri K, Su LL, Wong PC, Chan YH, Choolani MA, Chia D, Biswas A. Determination of gestational age in twin pregnancy: Which fetal crown-rump length should be used? J Obstet Gynaecol Res 2013; 39: 761-765.</mixed-citation><mixed-citation xml:lang="en">Chaudhuri K, Su LL, Wong PC, Chan YH, Choolani MA, Chia D, Biswas A. Determination of gestational age in twin pregnancy: Which fetal crown-rump length should be used? J Obstet Gynaecol Res 2013; 39: 761-765.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Lopriore E, Sueters M, Middeldorp JM, Klumper F, Oepkes D, Vandenbussche FP. Twin pregnancies with two separate placental masses can still be monochorionic and have vascular anastomoses. Am J Obstet Gynecol 2006; 194: 804-808.</mixed-citation><mixed-citation xml:lang="en">Lopriore E, Sueters M, Middeldorp JM, Klumper F, Oepkes D, Vandenbussche FP. Twin pregnancies with two separate placental masses can still be monochorionic and have vascular anastomoses. Am J Obstet Gynecol 2006; 194: 804-808.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">National Collaborating Center for Women's and Children's Health. Multiple Pregnancy: Evidence Update. Commissioned by the National Institute for Clinical Excellence. NICE: Manchester, March 2013.</mixed-citation><mixed-citation xml:lang="en">National Collaborating Center for Women's and Children's Health. Multiple Pregnancy: Evidence Update. Commissioned by the National Institute for Clinical Excellence. NICE: Manchester, March 2013.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Dias T, Ladd S, Mahsud-Dornan S, Bhide A, Papageorghiou A, Thilaganathan B. Systematic labelling of twin pregnancies on ultrasound. Ultrasound Obstet Gynecol 2011; 38: 130-133.</mixed-citation><mixed-citation xml:lang="en">Dias T, Ladd S, Mahsud-Dornan S, Bhide A, Papageorghiou A, Thilaganathan B. Systematic labelling of twin pregnancies on ultrasound. Ultrasound Obstet Gynecol 2011; 38: 130-133.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Sueters M, Middeldorp JM, Lopriore E, Oepkes D, Kanhai HH, Vandenbussche FP. Timely diagnosis of twin-to-twin transfusion syndrome in monochorionic twin pregnancies by biweekly sonography combined with patient instruction to report onset of symptoms. Ultrasound Obstet Gynecol 2006; 28: 659-664.</mixed-citation><mixed-citation xml:lang="en">Sueters M, Middeldorp JM, Lopriore E, Oepkes D, Kanhai HH, Vandenbussche FP. Timely diagnosis of twin-to-twin transfusion syndrome in monochorionic twin pregnancies by biweekly sonography combined with patient instruction to report onset of symptoms. Ultrasound Obstet Gynecol 2006; 28: 659-664.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">de Villiers SF, Slaghekke F, Middeldorp JM, Walther FJ, Oepkes D, Lopriore E. Placental characteristics in monochorionic twins with spontaneous versus post-laser twin anemia-polycythemia sequence. Placenta 2013; 34: 456-459.</mixed-citation><mixed-citation xml:lang="en">de Villiers SF, Slaghekke F, Middeldorp JM, Walther FJ, Oepkes D, Lopriore E. Placental characteristics in monochorionic twins with spontaneous versus post-laser twin anemia-polycythemia sequence. Placenta 2013; 34: 456-459.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Sankaran S, Rozette C, Dean J, Kyle P, Spencer K. Screening in the presence of a vanished twin: nuchal translucency or combined screening test? Prenat Diagn 2011; 31: 600-601.</mixed-citation><mixed-citation xml:lang="en">Sankaran S, Rozette C, Dean J, Kyle P, Spencer K. Screening in the presence of a vanished twin: nuchal translucency or combined screening test? Prenat Diagn 2011; 31: 600-601.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Prats P, Rodriguez I, Comas C, Puerto B. Systematic review of screening for trisomy 21 in twin pregnancies in first trimester combining nuchal translucency and biochemical markers: a meta-analysis. Prenat Diagn 2014; 34: 1077-1083.</mixed-citation><mixed-citation xml:lang="en">Prats P, Rodriguez I, Comas C, Puerto B. Systematic review of screening for trisomy 21 in twin pregnancies in first trimester combining nuchal translucency and biochemical markers: a meta-analysis. Prenat Diagn 2014; 34: 1077-1083.</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Agarwal K, Alfirevic Z. Pregnancy loss after chorionic villus sampling and genetic amniocentesis in twin pregnancies: a systematic review. Ultrasound Obstet Gynecol 2012; 40: 128-134.</mixed-citation><mixed-citation xml:lang="en">Agarwal K, Alfirevic Z. Pregnancy loss after chorionic villus sampling and genetic amniocentesis in twin pregnancies: a systematic review. Ultrasound Obstet Gynecol 2012; 40: 128-134.</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">Hansen M, Kurinczuk JJ, Milne E, de Klerk N, Bower C. Assisted reproductive technology and birth defects: a systematic review and meta-analysis. Hum Reprod Update 2013; 19: 330-353.</mixed-citation><mixed-citation xml:lang="en">Hansen M, Kurinczuk JJ, Milne E, de Klerk N, Bower C. Assisted reproductive technology and birth defects: a systematic review and meta-analysis. Hum Reprod Update 2013; 19: 330-353.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">Royal College of Obstetricians and Gynaecologists. Amniocentesis and Chorionic Villus Sampling. Green-Top Guideline No. 8. RCOG Press: London, 2010.</mixed-citation><mixed-citation xml:lang="en">Royal College of Obstetricians and Gynaecologists. Amniocentesis and Chorionic Villus Sampling. Green-Top Guideline No. 8. RCOG Press: London, 2010.</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">Gallot D, Velemir L, Delabaere A, Accoceberry M, Niro J, Vendittelli F, Laurichesse-Delmas H, Jacquetin B, Lemery D. Which invasive diagnostic procedure should we use for twin pregnancies: chorionic villous sampling or amniocentesis? J Gynecol Obstet Biol Reprod (Paris) 2009; 38: S39-44.</mixed-citation><mixed-citation xml:lang="en">Gallot D, Velemir L, Delabaere A, Accoceberry M, Niro J, Vendittelli F, Laurichesse-Delmas H, Jacquetin B, Lemery D. Which invasive diagnostic procedure should we use for twin pregnancies: chorionic villous sampling or amniocentesis? J Gynecol Obstet Biol Reprod (Paris) 2009; 38: S39-44.</mixed-citation></citation-alternatives></ref><ref id="cit27"><label>27</label><citation-alternatives><mixed-citation xml:lang="ru">Hui L. Non-invasive prenatal testing for fetal aneuploidy: charting the course from clinical validity to clinical utility. Ultrasound Obstet Gynecol 2013; 41: 2-6.</mixed-citation><mixed-citation xml:lang="en">Hui L. Non-invasive prenatal testing for fetal aneuploidy: charting the course from clinical validity to clinical utility. Ultrasound Obstet Gynecol 2013; 41: 2-6.</mixed-citation></citation-alternatives></ref><ref id="cit28"><label>28</label><citation-alternatives><mixed-citation xml:lang="ru">Gil MM, Quezada MS, Revello R, Akolekar R, Nicolaides KH. Analysis of cell-free DNA in maternal blood in screening for fetal aneuploidies: updated meta-analysis. Ultrasound Obstet Gynecol 2015; 45: 249-266.</mixed-citation><mixed-citation xml:lang="en">Gil MM, Quezada MS, Revello R, Akolekar R, Nicolaides KH. Analysis of cell-free DNA in maternal blood in screening for fetal aneuploidies: updated meta-analysis. Ultrasound Obstet Gynecol 2015; 45: 249-266.</mixed-citation></citation-alternatives></ref><ref id="cit29"><label>29</label><citation-alternatives><mixed-citation xml:lang="ru">Evans MI, Goldberg JD, Horenstein J, Wapner RJ, Ayoub MA, Stone J, Lipitz S, Achiron R, Holzgreve W, Brambati B, Johnson A, Johnson MP, Shalhoub A, Berkowitz RL. Selective termination for structural, chromosomal, and mendelian anomalies: inter national experience. Am J Obstet Gynecol 1999; 181: 893-897.</mixed-citation><mixed-citation xml:lang="en">Evans MI, Goldberg JD, Horenstein J, Wapner RJ, Ayoub MA, Stone J, Lipitz S, Achiron R, Holzgreve W, Brambati B, Johnson A, Johnson MP, Shalhoub A, Berkowitz RL. Selective termination for structural, chromosomal, and mendelian anomalies: inter national experience. Am J Obstet Gynecol 1999; 181: 893-897.</mixed-citation></citation-alternatives></ref><ref id="cit30"><label>30</label><citation-alternatives><mixed-citation xml:lang="ru">Machin G. Non-identical monozygotic twins, intermediate twin types, zygosity testing, and the nonrandom nature of monozygotic twinning: a review. Am J Med Genet C Semin Med Genet 2009; 151C: 110-127.</mixed-citation><mixed-citation xml:lang="en">Machin G. Non-identical monozygotic twins, intermediate twin types, zygosity testing, and the nonrandom nature of monozygotic twinning: a review. Am J Med Genet C Semin Med Genet 2009; 151C: 110-127.</mixed-citation></citation-alternatives></ref><ref id="cit31"><label>31</label><citation-alternatives><mixed-citation xml:lang="ru">Lewi L, Blickstein I, Van Schoubroeck D, Gloning KP, CasteelsM,BrandenburgH, Fryns JP, Deprest J. Diagnosis and management of heterokaryotypic monochorionic twins. Am J Med Genet A 2006; 140: 272-275.</mixed-citation><mixed-citation xml:lang="en">Lewi L, Blickstein I, Van Schoubroeck D, Gloning KP, CasteelsM,BrandenburgH, Fryns JP, Deprest J. Diagnosis and management of heterokaryotypic monochorionic twins. Am J Med Genet A 2006; 140: 272-275.</mixed-citation></citation-alternatives></ref><ref id="cit32"><label>32</label><citation-alternatives><mixed-citation xml:lang="ru">Lewi L, Gratacos E, Ortibus E, Van Schoubroeck D, Carreras E, Higueras T, Perapoch J, Deprest J. Pregnancy and infant outcome of 80 consecutive cord coagulations incomplicated monochorionic multiple pregnancies. Am J Obstet Gynecol 2006; 194: 782-789.</mixed-citation><mixed-citation xml:lang="en">Lewi L, Gratacos E, Ortibus E, Van Schoubroeck D, Carreras E, Higueras T, Perapoch J, Deprest J. Pregnancy and infant outcome of 80 consecutive cord coagulations incomplicated monochorionic multiple pregnancies. Am J Obstet Gynecol 2006; 194: 782-789.</mixed-citation></citation-alternatives></ref><ref id="cit33"><label>33</label><citation-alternatives><mixed-citation xml:lang="ru">Fratelli N, Prefumo F, Fichera A, Valcamonico A, Marella D, Frusca T. Nuchal translucency thickness and crown rump length discordance for the prediction of outcome in monochorionic diamniotic pregnancies. Early Hum Dev 2011; 87: 27-30.</mixed-citation><mixed-citation xml:lang="en">Fratelli N, Prefumo F, Fichera A, Valcamonico A, Marella D, Frusca T. Nuchal translucency thickness and crown rump length discordance for the prediction of outcome in monochorionic diamniotic pregnancies. Early Hum Dev 2011; 87: 27-30.</mixed-citation></citation-alternatives></ref><ref id="cit34"><label>34</label><citation-alternatives><mixed-citation xml:lang="ru">MemmoA, Dias T, Mahsud-Dornan S, Papageorghiou AT, Bhide A, Thilaganathan B. Prediction of selective fetal growth restriction and twin-to-twin transfusion syndrome in monochorionic twins. BJOG 2012; 119: 417-421.</mixed-citation><mixed-citation xml:lang="en">MemmoA, Dias T, Mahsud-Dornan S, Papageorghiou AT, Bhide A, Thilaganathan B. Prediction of selective fetal growth restriction and twin-to-twin transfusion syndrome in monochorionic twins. BJOG 2012; 119: 417-421.</mixed-citation></citation-alternatives></ref><ref id="cit35"><label>35</label><citation-alternatives><mixed-citation xml:lang="ru">Maiz N, Staboulidou I, Leal AM, Minekawa R, Nicolaides KH. Ductus venosus Doppler at 11 to 13 weeks of gestation in the prediction of outcome in twin pregnancies. Obstet Gynecol 2009; 113: 860-865.</mixed-citation><mixed-citation xml:lang="en">Maiz N, Staboulidou I, Leal AM, Minekawa R, Nicolaides KH. Ductus venosus Doppler at 11 to 13 weeks of gestation in the prediction of outcome in twin pregnancies. Obstet Gynecol 2009; 113: 860-865.</mixed-citation></citation-alternatives></ref><ref id="cit36"><label>36</label><citation-alternatives><mixed-citation xml:lang="ru">Linskens IH, de Mooij YM, Twisk JW, Kist WJ, Oepkes D, van Vugt JM. Discordance in nuchal translucency measurements in monochorionic diamniotic twins as predictor of twin-to-twin transfusion syndrome. Twin Res Hum Genet 2009; 12: 605-610.</mixed-citation><mixed-citation xml:lang="en">Linskens IH, de Mooij YM, Twisk JW, Kist WJ, Oepkes D, van Vugt JM. Discordance in nuchal translucency measurements in monochorionic diamniotic twins as predictor of twin-to-twin transfusion syndrome. Twin Res Hum Genet 2009; 12: 605-610.</mixed-citation></citation-alternatives></ref><ref id="cit37"><label>37</label><citation-alternatives><mixed-citation xml:lang="ru">Kagan KO, Gazzoni A, Sepulveda-Gonzalez G, Sotiriadis A, Nicolaides KH. Discordance in nuchal translucency thickness in the prediction of severe twin-to-twin transfusion syndrome. Ultrasound Obstet Gynecol 2007; 29: 527-532.</mixed-citation><mixed-citation xml:lang="en">Kagan KO, Gazzoni A, Sepulveda-Gonzalez G, Sotiriadis A, Nicolaides KH. Discordance in nuchal translucency thickness in the prediction of severe twin-to-twin transfusion syndrome. Ultrasound Obstet Gynecol 2007; 29: 527-532.</mixed-citation></citation-alternatives></ref><ref id="cit38"><label>38</label><citation-alternatives><mixed-citation xml:lang="ru">D'Antonio F, Khalil A, Dias T, Thilaganathan B; Southwest Thames Obstetric Research Collaborative. Crown-rump length discordance and adverse perinatal outcome in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2013; 41: 621-626.</mixed-citation><mixed-citation xml:lang="en">D'Antonio F, Khalil A, Dias T, Thilaganathan B; Southwest Thames Obstetric Research Collaborative. Crown-rump length discordance and adverse perinatal outcome in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2013; 41: 621-626.</mixed-citation></citation-alternatives></ref><ref id="cit39"><label>39</label><citation-alternatives><mixed-citation xml:lang="ru">D'Antonio F, Khalil A, Pagani G, Papageorghiou AT, Bhide A, Thilaganathan B. Crown-rump length discordance and adverse perinatal outcome in twin pregnancies: systematic review and meta-analysis. Ultrasound Obstet Gynecol 2014; 44: 138-146.</mixed-citation><mixed-citation xml:lang="en">D'Antonio F, Khalil A, Pagani G, Papageorghiou AT, Bhide A, Thilaganathan B. Crown-rump length discordance and adverse perinatal outcome in twin pregnancies: systematic review and meta-analysis. Ultrasound Obstet Gynecol 2014; 44: 138-146.</mixed-citation></citation-alternatives></ref><ref id="cit40"><label>40</label><citation-alternatives><mixed-citation xml:lang="ru">Kalish RB, Gupta M, Perni SC, Berman S, Chasen ST. Clinical significance of first trimester crownrump length disparity in dichorionic twin gestations. Am J Obstet Gynecol 2004; 191: 1437-1440.</mixed-citation><mixed-citation xml:lang="en">Kalish RB, Gupta M, Perni SC, Berman S, Chasen ST. Clinical significance of first trimester crownrump length disparity in dichorionic twin gestations. Am J Obstet Gynecol 2004; 191: 1437-1440.</mixed-citation></citation-alternatives></ref><ref id="cit41"><label>41</label><citation-alternatives><mixed-citation xml:lang="ru">D'Antonio F, Khalil A, Mantovani E, Thilaganathan B; Southwest Thames Obstetric Research Collaborative. Embryonic growth discordance and early fetal loss: the STORK multiple pregnancy cohort and systematic review. Hum Reprod 2013; 28: 2621-2627.</mixed-citation><mixed-citation xml:lang="en">D'Antonio F, Khalil A, Mantovani E, Thilaganathan B; Southwest Thames Obstetric Research Collaborative. Embryonic growth discordance and early fetal loss: the STORK multiple pregnancy cohort and systematic review. Hum Reprod 2013; 28: 2621-2627.</mixed-citation></citation-alternatives></ref><ref id="cit42"><label>42</label><citation-alternatives><mixed-citation xml:lang="ru">Salomon LJ, Alirevic Z, Bilardo CM, Chalouhi GE, Ghi T, Kagan KO, Lau TK, Papageorghiou AT, Raine-Fenning NJ, Stirnemann J, Suresh S, Tabor A, Timor-Tritsch IE, Toi A, Yeo G. ISUOG practice guidelines: performance of first-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2013; 41: 102-113.</mixed-citation><mixed-citation xml:lang="en">Salomon LJ, Alirevic Z, Bilardo CM, Chalouhi GE, Ghi T, Kagan KO, Lau TK, Papageorghiou AT, Raine-Fenning NJ, Stirnemann J, Suresh S, Tabor A, Timor-Tritsch IE, Toi A, Yeo G. ISUOG practice guidelines: performance of first-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2013; 41: 102-113.</mixed-citation></citation-alternatives></ref><ref id="cit43"><label>43</label><citation-alternatives><mixed-citation xml:lang="ru">Salomon LJ, Alirevic Z, Berghella V, Bilardo C, Hernandez-Andrade E, Johnsen SL, Kalache K, Leung KY, Malinger G, Munoz H, Prefumo F, Toi A, Lee W; ISUOG Clinical Standards Committee. Practice guidelines for performance of the routine mid-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2011; 37: 116-126.</mixed-citation><mixed-citation xml:lang="en">Salomon LJ, Alirevic Z, Berghella V, Bilardo C, Hernandez-Andrade E, Johnsen SL, Kalache K, Leung KY, Malinger G, Munoz H, Prefumo F, Toi A, Lee W; ISUOG Clinical Standards Committee. Practice guidelines for performance of the routine mid-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2011; 37: 116-126.</mixed-citation></citation-alternatives></ref><ref id="cit44"><label>44</label><citation-alternatives><mixed-citation xml:lang="ru">Hall JG. Twinning. Lancet 2003; 362: 735-743.</mixed-citation><mixed-citation xml:lang="en">Hall JG. Twinning. Lancet 2003; 362: 735-743.</mixed-citation></citation-alternatives></ref><ref id="cit45"><label>45</label><citation-alternatives><mixed-citation xml:lang="ru">Lewi L, Jani J, Blickstein I, Huber A, Gucciardo L, Van Mieghem T, Done E, Boes AS, Hecher K, Grataccos E, Lewi P, Deprest J. The outcome of monochorionic diamniotic twin gestations in the era of invasive fetal therapy: a prospective cohort study. Am J Obstet Gynecol 2008; 199: 514.e1-8.</mixed-citation><mixed-citation xml:lang="en">Lewi L, Jani J, Blickstein I, Huber A, Gucciardo L, Van Mieghem T, Done E, Boes AS, Hecher K, Grataccos E, Lewi P, Deprest J. The outcome of monochorionic diamniotic twin gestations in the era of invasive fetal therapy: a prospective cohort study. Am J Obstet Gynecol 2008; 199: 514.e1-8.</mixed-citation></citation-alternatives></ref><ref id="cit46"><label>46</label><citation-alternatives><mixed-citation xml:lang="ru">Baxi LV, Walsh CA. Monoamniotic twins in contemporary practice: a single-center study of perinatal outcomes. J Matern Fetal Neonatal Med 2010; 23: 506-510.</mixed-citation><mixed-citation xml:lang="en">Baxi LV, Walsh CA. Monoamniotic twins in contemporary practice: a single-center study of perinatal outcomes. J Matern Fetal Neonatal Med 2010; 23: 506-510.</mixed-citation></citation-alternatives></ref><ref id="cit47"><label>47</label><citation-alternatives><mixed-citation xml:lang="ru">International Society of Ultrasound in Obstetrics and Gynecology, Carvalho JS, Allan LD, Chaoui R, Copel JA, DeVore GR, Hecher K, Lee W, Munoz H, Paladini D, Tutschek B, Yagel S. ISUOG Practice Guidelines (updated): sonographic screening examination of the fetal heart. Ultrasound Obstet Gynecol 2013; 41: 348-359.</mixed-citation><mixed-citation xml:lang="en">International Society of Ultrasound in Obstetrics and Gynecology, Carvalho JS, Allan LD, Chaoui R, Copel JA, DeVore GR, Hecher K, Lee W, Munoz H, Paladini D, Tutschek B, Yagel S. ISUOG Practice Guidelines (updated): sonographic screening examination of the fetal heart. Ultrasound Obstet Gynecol 2013; 41: 348-359.</mixed-citation></citation-alternatives></ref><ref id="cit48"><label>48</label><citation-alternatives><mixed-citation xml:lang="ru">Rossi AC, D'Addario V. Umbilical cord occlusion for selective feticide in complicated monochorionic twins: a systematic review of literature. Am J Obstet Gynecol 2009; 200: 123-129.</mixed-citation><mixed-citation xml:lang="en">Rossi AC, D'Addario V. Umbilical cord occlusion for selective feticide in complicated monochorionic twins: a systematic review of literature. Am J Obstet Gynecol 2009; 200: 123-129.</mixed-citation></citation-alternatives></ref><ref id="cit49"><label>49</label><citation-alternatives><mixed-citation xml:lang="ru">Roman A, Papanna R, Johnson A, Hassan SS, Moldenhauer J, Molina S, Moise KJ Jr. Selective reduction in complicated monochorionic pregnancies: radiofrequency ablation vs bipolar cord coagulation. Ultrasound Obstet Gynecol 2010; 36: 37-41.</mixed-citation><mixed-citation xml:lang="en">Roman A, Papanna R, Johnson A, Hassan SS, Moldenhauer J, Molina S, Moise KJ Jr. Selective reduction in complicated monochorionic pregnancies: radiofrequency ablation vs bipolar cord coagulation. Ultrasound Obstet Gynecol 2010; 36: 37-41.</mixed-citation></citation-alternatives></ref><ref id="cit50"><label>50</label><citation-alternatives><mixed-citation xml:lang="ru">Bebbington MW, Danzer E, Moldenhauer J, Khalek N, Johnson MP. Radiofrequency ablation vs bipolar umbilical cord coagulation in the management of complicated monochorionic pregnancies. Ultrasound Obstet Gynecol 2012; 40: 319-324.</mixed-citation><mixed-citation xml:lang="en">Bebbington MW, Danzer E, Moldenhauer J, Khalek N, Johnson MP. Radiofrequency ablation vs bipolar umbilical cord coagulation in the management of complicated monochorionic pregnancies. Ultrasound Obstet Gynecol 2012; 40: 319-324.</mixed-citation></citation-alternatives></ref><ref id="cit51"><label>51</label><citation-alternatives><mixed-citation xml:lang="ru">van den Bos EM, van Klink JM, Middeldorp JM, Klumper FJ, Oepkes D, Lopriore E. Perinatal outcome after selective feticide in monochorionic twin pregnancies. Ultrasound Obstet Gynecol 2013; 41: 653-658.</mixed-citation><mixed-citation xml:lang="en">van den Bos EM, van Klink JM, Middeldorp JM, Klumper FJ, Oepkes D, Lopriore E. Perinatal outcome after selective feticide in monochorionic twin pregnancies. Ultrasound Obstet Gynecol 2013; 41: 653-658.</mixed-citation></citation-alternatives></ref><ref id="cit52"><label>52</label><citation-alternatives><mixed-citation xml:lang="ru">Grifiths PD, Sharrack S, Chan KL, Bamfo J, Williams F, Kilby MD. Fetal brain injury in survivors of twin pregnancies complicated by demise of one twin as assessed by inutero MR imaging. Prenat Diagn 2015; 35: 583-591.</mixed-citation><mixed-citation xml:lang="en">Grifiths PD, Sharrack S, Chan KL, Bamfo J, Williams F, Kilby MD. Fetal brain injury in survivors of twin pregnancies complicated by demise of one twin as assessed by inutero MR imaging. Prenat Diagn 2015; 35: 583-591.</mixed-citation></citation-alternatives></ref><ref id="cit53"><label>53</label><citation-alternatives><mixed-citation xml:lang="ru">Conde-Agudelo A, Romero R. Prediction of preterm birth in twin gestations using biophysical and biochemical tests. Am J Obstet Gynecol 2014; 211: 583-595.</mixed-citation><mixed-citation xml:lang="en">Conde-Agudelo A, Romero R. Prediction of preterm birth in twin gestations using biophysical and biochemical tests. Am J Obstet Gynecol 2014; 211: 583-595.</mixed-citation></citation-alternatives></ref><ref id="cit54"><label>54</label><citation-alternatives><mixed-citation xml:lang="ru">Conde-Agudelo A, Romero R, Hassan SS, Yeo L. Transvaginal sonographic cervical length for the prediction of spontaneous preterm birth in twin pregnancies: a systematic review and meta-analysis. Am J Obstet Gynecol 2010; 203: 128.e1-12.</mixed-citation><mixed-citation xml:lang="en">Conde-Agudelo A, Romero R, Hassan SS, Yeo L. Transvaginal sonographic cervical length for the prediction of spontaneous preterm birth in twin pregnancies: a systematic review and meta-analysis. Am J Obstet Gynecol 2010; 203: 128.e1-12.</mixed-citation></citation-alternatives></ref><ref id="cit55"><label>55</label><citation-alternatives><mixed-citation xml:lang="ru">Romero R, Nicolaides K, Conde-Agudelo A, Tabor A, O'Brien JM, Cetingoz E, Da Fonseca E, Creasy GW, Klein K, Rode L, Soma-Pillay P, Fusey S, Cam C, Alirevic Z, Hassan SS. Vaginal progesterone in women with an asymptomatic sonographic short cervix in the midtrimester decreases preterm delivery and neonatal morbidity: a systematic review and metaanalysis of individual patient data. Am J Obstet Gynecol 2012; 206: 124.e1-19.</mixed-citation><mixed-citation xml:lang="en">Romero R, Nicolaides K, Conde-Agudelo A, Tabor A, O'Brien JM, Cetingoz E, Da Fonseca E, Creasy GW, Klein K, Rode L, Soma-Pillay P, Fusey S, Cam C, Alirevic Z, Hassan SS. Vaginal progesterone in women with an asymptomatic sonographic short cervix in the midtrimester decreases preterm delivery and neonatal morbidity: a systematic review and metaanalysis of individual patient data. Am J Obstet Gynecol 2012; 206: 124.e1-19.</mixed-citation></citation-alternatives></ref><ref id="cit56"><label>56</label><citation-alternatives><mixed-citation xml:lang="ru">Crowther CA. Hospitalisation and bed rest for multiple pregnancy. Cochrane Database Syst Rev 2001; 1: CD000110.</mixed-citation><mixed-citation xml:lang="en">Crowther CA. Hospitalisation and bed rest for multiple pregnancy. Cochrane Database Syst Rev 2001; 1: CD000110.</mixed-citation></citation-alternatives></ref><ref id="cit57"><label>57</label><citation-alternatives><mixed-citation xml:lang="ru">Yamasmit W, Chaithongwongwatthana S, Tolosa JE, Limpongsanurak S, Pereira L, Lumbiganon P. Prophylactic oral betamimetics for reducing preterm birth in women with a twin pregnancy. Cochrane Database Syst Rev 2012; 9: CD004733.</mixed-citation><mixed-citation xml:lang="en">Yamasmit W, Chaithongwongwatthana S, Tolosa JE, Limpongsanurak S, Pereira L, Lumbiganon P. Prophylactic oral betamimetics for reducing preterm birth in women with a twin pregnancy. Cochrane Database Syst Rev 2012; 9: CD004733.</mixed-citation></citation-alternatives></ref><ref id="cit58"><label>58</label><citation-alternatives><mixed-citation xml:lang="ru">Norman JE, Mackenzie F, Owen P, Mactier H, Hanretty K, Cooper S, Calder A, Mires G, Danielian P, Sturgiss S, MacLennan G, Tydeman G, Thornton S, Martin B, Thornton JG, Neilson JP, Norrie J. Progesterone for the prevention of preterm birth in twin pregnancy (STOPPIT): a randomised, double-blind, placebo-controlled study and meta-analysis. Lancet 2009; 373: 2034-2040.</mixed-citation><mixed-citation xml:lang="en">Norman JE, Mackenzie F, Owen P, Mactier H, Hanretty K, Cooper S, Calder A, Mires G, Danielian P, Sturgiss S, MacLennan G, Tydeman G, Thornton S, Martin B, Thornton JG, Neilson JP, Norrie J. Progesterone for the prevention of preterm birth in twin pregnancy (STOPPIT): a randomised, double-blind, placebo-controlled study and meta-analysis. Lancet 2009; 373: 2034-2040.</mixed-citation></citation-alternatives></ref><ref id="cit59"><label>59</label><citation-alternatives><mixed-citation xml:lang="ru">Rafael TJ, Berghella V, Alirevic Z. Cervical stitch (cerclage) for preventing preterm birth in multiple pregnancy. Cochrane Database Syst Rev 2014; 9: CD009166.</mixed-citation><mixed-citation xml:lang="en">Rafael TJ, Berghella V, Alirevic Z. Cervical stitch (cerclage) for preventing preterm birth in multiple pregnancy. Cochrane Database Syst Rev 2014; 9: CD009166.</mixed-citation></citation-alternatives></ref><ref id="cit60"><label>60</label><citation-alternatives><mixed-citation xml:lang="ru">Crowther CA, Han S. Hospitalisation and bed rest for multiple pregnancy. Cochrane Database Syst Rev 2010; 7: CD000110.</mixed-citation><mixed-citation xml:lang="en">Crowther CA, Han S. Hospitalisation and bed rest for multiple pregnancy. Cochrane Database Syst Rev 2010; 7: CD000110.</mixed-citation></citation-alternatives></ref><ref id="cit61"><label>61</label><citation-alternatives><mixed-citation xml:lang="ru">Valsky DV, Eixarch E, Martinez JM, Crispi F, Gratactos E. Selective intrauterine growth restriction in monochorionic twins: pathophysiology, diagnostic approach and management dilemmas. Semin Fetal Neonatal Med 2010; 15: 342-348.</mixed-citation><mixed-citation xml:lang="en">Valsky DV, Eixarch E, Martinez JM, Crispi F, Gratactos E. Selective intrauterine growth restriction in monochorionic twins: pathophysiology, diagnostic approach and management dilemmas. Semin Fetal Neonatal Med 2010; 15: 342-348.</mixed-citation></citation-alternatives></ref><ref id="cit62"><label>62</label><citation-alternatives><mixed-citation xml:lang="ru">Sueters M, Oepkes D. Diagnosis of twin-to-twin transfusion syndrome, selective fetal growth restriction, twin anemia-polycythaemia sequence,and twin reversed arterial perfusion sequence. Best practice and research. Best Pract Res Clin Obstet Gynaecol 2014; 28: 215-226.</mixed-citation><mixed-citation xml:lang="en">Sueters M, Oepkes D. Diagnosis of twin-to-twin transfusion syndrome, selective fetal growth restriction, twin anemia-polycythaemia sequence,and twin reversed arterial perfusion sequence. Best practice and research. Best Pract Res Clin Obstet Gynaecol 2014; 28: 215-226.</mixed-citation></citation-alternatives></ref><ref id="cit63"><label>63</label><citation-alternatives><mixed-citation xml:lang="ru">American College of Obstetricians and Gynecologists Committee on Practice Bulletins-Obstetrics; Society for Maternal-Fetal Medicine; ACOG Joint Editorial Committee. ACOG Practice Bulletin #56: Multiple gestation: complicated twin, triplet, and high-order multifetal pregnancy. Obstet Gynecol 2004; 104: 869-883.</mixed-citation><mixed-citation xml:lang="en">American College of Obstetricians and Gynecologists Committee on Practice Bulletins-Obstetrics; Society for Maternal-Fetal Medicine; ACOG Joint Editorial Committee. ACOG Practice Bulletin #56: Multiple gestation: complicated twin, triplet, and high-order multifetal pregnancy. Obstet Gynecol 2004; 104: 869-883.</mixed-citation></citation-alternatives></ref><ref id="cit64"><label>64</label><citation-alternatives><mixed-citation xml:lang="ru">Breathnach F, McAuliffe F, Geary M, Daly S, Higgins J, Dornan J, Morrison JJ, Burke G, Higgins S, Dicker P, Manning F, Mahony R, Malone FD; Perinatal Ireland Research Consortium. Definition of intertwin birth weight discordance. Obstet Gynecol 2011; 118: 94-103.</mixed-citation><mixed-citation xml:lang="en">Breathnach F, McAuliffe F, Geary M, Daly S, Higgins J, Dornan J, Morrison JJ, Burke G, Higgins S, Dicker P, Manning F, Mahony R, Malone FD; Perinatal Ireland Research Consortium. Definition of intertwin birth weight discordance. Obstet Gynecol 2011; 118: 94-103.</mixed-citation></citation-alternatives></ref><ref id="cit65"><label>65</label><citation-alternatives><mixed-citation xml:lang="ru">D'Antonio F, Khalil A, Morlando M, Thilaganathan B. Accuracy of predicting fetal loss in twin pregnancies using gestational age-dependent weight discordance cut-offs: analysis of the STORK multiple pregnancy cohort. Fetal Diagn Ther 2015; 38: 22-28.</mixed-citation><mixed-citation xml:lang="en">D'Antonio F, Khalil A, Morlando M, Thilaganathan B. Accuracy of predicting fetal loss in twin pregnancies using gestational age-dependent weight discordance cut-offs: analysis of the STORK multiple pregnancy cohort. Fetal Diagn Ther 2015; 38: 22-28.</mixed-citation></citation-alternatives></ref><ref id="cit66"><label>66</label><citation-alternatives><mixed-citation xml:lang="ru">Lewi L, Gucciardo L, Huber A, Jani J, Van Mieghem T, Done E, Cannie M, Gratacoos E, Diemert A, Hecher K, Lewi P, Deprest J. Clinical outcome and placental characteristics of monochorionic diamniotic twin pairs with early- and late-onset discordant growth. Am J Obstet Gynecol 2008; 199: 511.e1-7.</mixed-citation><mixed-citation xml:lang="en">Lewi L, Gucciardo L, Huber A, Jani J, Van Mieghem T, Done E, Cannie M, Gratacoos E, Diemert A, Hecher K, Lewi P, Deprest J. Clinical outcome and placental characteristics of monochorionic diamniotic twin pairs with early- and late-onset discordant growth. Am J Obstet Gynecol 2008; 199: 511.e1-7.</mixed-citation></citation-alternatives></ref><ref id="cit67"><label>67</label><citation-alternatives><mixed-citation xml:lang="ru">Khalil A, D'Antonio F, Dias T, Cooper D, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK). Ultrasound estimation of birth weight in twin pregnancy: comparison of biometry algorithms in the STORK multiple pregnancy cohort. Ultrasound Obstet Gynecol 2014; 44: 210-220.</mixed-citation><mixed-citation xml:lang="en">Khalil A, D'Antonio F, Dias T, Cooper D, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK). Ultrasound estimation of birth weight in twin pregnancy: comparison of biometry algorithms in the STORK multiple pregnancy cohort. Ultrasound Obstet Gynecol 2014; 44: 210-220.</mixed-citation></citation-alternatives></ref><ref id="cit68"><label>68</label><citation-alternatives><mixed-citation xml:lang="ru">Stirrup OT, Khalil A, D'Antonio F, Thilaganathan B, on behalf of the Southwest Thames Obstetric Research Collaborative (STORK). Fetal growth reference ranges in twin pregnancy: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2015; 45: 301-307.</mixed-citation><mixed-citation xml:lang="en">Stirrup OT, Khalil A, D'Antonio F, Thilaganathan B, on behalf of the Southwest Thames Obstetric Research Collaborative (STORK). Fetal growth reference ranges in twin pregnancy: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2015; 45: 301-307.</mixed-citation></citation-alternatives></ref><ref id="cit69"><label>69</label><citation-alternatives><mixed-citation xml:lang="ru">D'Antonio F, Khalil A, Dias T, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK). Weight discordance and perinatal mortality in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2013; 41: 643-648.</mixed-citation><mixed-citation xml:lang="en">D'Antonio F, Khalil A, Dias T, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK). Weight discordance and perinatal mortality in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol 2013; 41: 643-648.</mixed-citation></citation-alternatives></ref><ref id="cit70"><label>70</label><citation-alternatives><mixed-citation xml:lang="ru">Gratacos E, Lewi L, Muunoz B, Acosta-Rojas R, Hernandez-Andrade E, Martinez JM, Carreras E, Deprest J. A classification system for selective intrauterine growth restriction in monochorionic pregnancies according to umbilical artery Doppler flow in the smaller twin. Ultrasound Obstet Gynecol 2007; 30: 28-34.</mixed-citation><mixed-citation xml:lang="en">Gratacos E, Lewi L, Muunoz B, Acosta-Rojas R, Hernandez-Andrade E, Martinez JM, Carreras E, Deprest J. A classification system for selective intrauterine growth restriction in monochorionic pregnancies according to umbilical artery Doppler flow in the smaller twin. Ultrasound Obstet Gynecol 2007; 30: 28-34.</mixed-citation></citation-alternatives></ref><ref id="cit71"><label>71</label><citation-alternatives><mixed-citation xml:lang="ru">Gratacos E, Carreras E, Becker J, Lewi L, Enriquez G, Perapoch J, Higueras T, Cabero L, Deprest J. Prevalence of neurological damage in monochorionic twins with selective intrauterinegrowth restriction and intermittent absent or reversed end-diastolic umbilical artery flow. Ultrasound Obstet Gynecol 2004; 24: 159-163.</mixed-citation><mixed-citation xml:lang="en">Gratacos E, Carreras E, Becker J, Lewi L, Enriquez G, Perapoch J, Higueras T, Cabero L, Deprest J. Prevalence of neurological damage in monochorionic twins with selective intrauterinegrowth restriction and intermittent absent or reversed end-diastolic umbilical artery flow. Ultrasound Obstet Gynecol 2004; 24: 159-163.</mixed-citation></citation-alternatives></ref><ref id="cit72"><label>72</label><citation-alternatives><mixed-citation xml:lang="ru">Chalouhi GE, Marangoni MA, Quibel T, Deloison B, Benzina N, Essaoui M, Al Ibrahim A, Stirnemann JJ, Salomon LJ, Ville Y. Active management of selective intrauterine growth restriction with abnormal Doppler in monochorionic diamniotic twin pregnancies diagnosed in the second trimester of pregnancy. Prenat Diagn 2013; 33: 109-115.</mixed-citation><mixed-citation xml:lang="en">Chalouhi GE, Marangoni MA, Quibel T, Deloison B, Benzina N, Essaoui M, Al Ibrahim A, Stirnemann JJ, Salomon LJ, Ville Y. Active management of selective intrauterine growth restriction with abnormal Doppler in monochorionic diamniotic twin pregnancies diagnosed in the second trimester of pregnancy. Prenat Diagn 2013; 33: 109-115.</mixed-citation></citation-alternatives></ref><ref id="cit73"><label>73</label><citation-alternatives><mixed-citation xml:lang="ru">Inklaar MJ, van Klink JM, Stolk TT, van Zwet EW, Oepkes D, Lopriore E. Cerebral injury in monochorionic twins with selective intrauterine growth restriction: a systematic review. Prenat Diagn 2014; 34: 205-213.</mixed-citation><mixed-citation xml:lang="en">Inklaar MJ, van Klink JM, Stolk TT, van Zwet EW, Oepkes D, Lopriore E. Cerebral injury in monochorionic twins with selective intrauterine growth restriction: a systematic review. Prenat Diagn 2014; 34: 205-213.</mixed-citation></citation-alternatives></ref><ref id="cit74"><label>74</label><citation-alternatives><mixed-citation xml:lang="ru">Lopriore E, Sluimers C, Pasman SA, Middeldorp JM, Oepkes D, Walther FJ. Neonatal morbidity in growth-discordant monochorionic twins: comparison between the larger and the smaller twin. Twin Res Hum Genet 2012; 15: 541-546.</mixed-citation><mixed-citation xml:lang="en">Lopriore E, Sluimers C, Pasman SA, Middeldorp JM, Oepkes D, Walther FJ. Neonatal morbidity in growth-discordant monochorionic twins: comparison between the larger and the smaller twin. Twin Res Hum Genet 2012; 15: 541-546.</mixed-citation></citation-alternatives></ref><ref id="cit75"><label>75</label><citation-alternatives><mixed-citation xml:lang="ru">Ong SSC, Zamora J, Khan KS, Kilby MD. Prognosis for the co-twin following single-twin death: a systematic review. BJOG 2006; 113: 992-998.</mixed-citation><mixed-citation xml:lang="en">Ong SSC, Zamora J, Khan KS, Kilby MD. Prognosis for the co-twin following single-twin death: a systematic review. BJOG 2006; 113: 992-998.</mixed-citation></citation-alternatives></ref><ref id="cit76"><label>76</label><citation-alternatives><mixed-citation xml:lang="ru">Hillman SC, Morris RK, Kilby MD. Co-twin prognosis after single fetal death: a systematic review and meta-analysis. Obstet Gynecol 2011; 118: 928-940.</mixed-citation><mixed-citation xml:lang="en">Hillman SC, Morris RK, Kilby MD. Co-twin prognosis after single fetal death: a systematic review and meta-analysis. Obstet Gynecol 2011; 118: 928-940.</mixed-citation></citation-alternatives></ref><ref id="cit77"><label>77</label><citation-alternatives><mixed-citation xml:lang="ru">Shek NW, Hillman SC, Kilby MD. Single-twin demise: Pregnancy outcome. Best Pract Res Clin Obstet Gynaecol 2014; 28: 249-263.</mixed-citation><mixed-citation xml:lang="en">Shek NW, Hillman SC, Kilby MD. Single-twin demise: Pregnancy outcome. Best Pract Res Clin Obstet Gynaecol 2014; 28: 249-263.</mixed-citation></citation-alternatives></ref><ref id="cit78"><label>78</label><citation-alternatives><mixed-citation xml:lang="ru">Senat MV, Couderc S, Bernard J, Ville Y. The value of middle cerebral artery peak systolic velocity in the diagnosis of fetal anemia after intrauterine death of one monochorionic twin. Am J Obstet Gynecol 2003; 189: 1320-1324.</mixed-citation><mixed-citation xml:lang="en">Senat MV, Couderc S, Bernard J, Ville Y. The value of middle cerebral artery peak systolic velocity in the diagnosis of fetal anemia after intrauterine death of one monochorionic twin. Am J Obstet Gynecol 2003; 189: 1320-1324.</mixed-citation></citation-alternatives></ref><ref id="cit79"><label>79</label><citation-alternatives><mixed-citation xml:lang="ru">Nicolini U, Pisoni MP, Cela E, Roberts A. Fetal blood sampling immediately before and within 24 hours of death in monochorionic twin pregnancies complicated by single intrauterine death. Am J Obstet Gynecol 1998; 179: 800-803.</mixed-citation><mixed-citation xml:lang="en">Nicolini U, Pisoni MP, Cela E, Roberts A. Fetal blood sampling immediately before and within 24 hours of death in monochorionic twin pregnancies complicated by single intrauterine death. Am J Obstet Gynecol 1998; 179: 800-803.</mixed-citation></citation-alternatives></ref><ref id="cit80"><label>80</label><citation-alternatives><mixed-citation xml:lang="ru">Senat MV, Bernard JP, Loizeau S, Ville Y. Management of single fetal death in twin-to-twin transfusion syndrome: a role for fetal blood sampling . Ultrasound Obstet Gynecol 2002; 20: 360-363.</mixed-citation><mixed-citation xml:lang="en">Senat MV, Bernard JP, Loizeau S, Ville Y. Management of single fetal death in twin-to-twin transfusion syndrome: a role for fetal blood sampling . Ultrasound Obstet Gynecol 2002; 20: 360-363.</mixed-citation></citation-alternatives></ref><ref id="cit81"><label>81</label><citation-alternatives><mixed-citation xml:lang="ru">Nakata M, Sumie M, Murata S, Miwa I, Kusaka E, Sugino N. A case of monochorionic twin pregnancy complicated with intrauterine single fetal death with successful treatment of intrauterine blood transfusion in the surviving fetus. Fetal Diagn Ther 2007; 22: 7-9.</mixed-citation><mixed-citation xml:lang="en">Nakata M, Sumie M, Murata S, Miwa I, Kusaka E, Sugino N. A case of monochorionic twin pregnancy complicated with intrauterine single fetal death with successful treatment of intrauterine blood transfusion in the surviving fetus. Fetal Diagn Ther 2007; 22: 7-9.</mixed-citation></citation-alternatives></ref><ref id="cit82"><label>82</label><citation-alternatives><mixed-citation xml:lang="ru">Quintero RA, Morales WJ, Allen MH, Bornick PW, Johnson PK, Kruger M. Staging of twin-twin transfusion syndrome. J Perinatol 1999; 19: 550-555.</mixed-citation><mixed-citation xml:lang="en">Quintero RA, Morales WJ, Allen MH, Bornick PW, Johnson PK, Kruger M. Staging of twin-twin transfusion syndrome. J Perinatol 1999; 19: 550-555.</mixed-citation></citation-alternatives></ref><ref id="cit83"><label>83</label><citation-alternatives><mixed-citation xml:lang="ru">Quintero RAM, Dickinson JE, Morales WJ, Bornick PW, Bemmdez C, Cincotta R, Chan FY, Allen MH. Stage-based treatment of twin-twin transfusion syndrome. Am J Obstet Gynecol 2003; 188: 1333-1340.</mixed-citation><mixed-citation xml:lang="en">Quintero RAM, Dickinson JE, Morales WJ, Bornick PW, Bemmdez C, Cincotta R, Chan FY, Allen MH. Stage-based treatment of twin-twin transfusion syndrome. Am J Obstet Gynecol 2003; 188: 1333-1340.</mixed-citation></citation-alternatives></ref><ref id="cit84"><label>84</label><citation-alternatives><mixed-citation xml:lang="ru">Roberts D, Gates S, Kilby M, Neilson JP. Interventions for twin-twin transfusion syndrome: a Cochrane review. Ultrasound Obstet Gynecol 2008; 31: 701-711.</mixed-citation><mixed-citation xml:lang="en">Roberts D, Gates S, Kilby M, Neilson JP. Interventions for twin-twin transfusion syndrome: a Cochrane review. Ultrasound Obstet Gynecol 2008; 31: 701-711.</mixed-citation></citation-alternatives></ref><ref id="cit85"><label>85</label><citation-alternatives><mixed-citation xml:lang="ru">Roberts D, Neilson JP, Kilby MD, Gates S. Interventions for the treatment of twin-twin transfusion syndrome. Cochrane Database Syst Rev 2014; 1: CD002073.</mixed-citation><mixed-citation xml:lang="en">Roberts D, Neilson JP, Kilby MD, Gates S. Interventions for the treatment of twin-twin transfusion syndrome. Cochrane Database Syst Rev 2014; 1: CD002073.</mixed-citation></citation-alternatives></ref><ref id="cit86"><label>86</label><citation-alternatives><mixed-citation xml:lang="ru">Baschat AA, Barber J, Pedersen N, Turan OM, Harman CR. Outcome after fetoscopic selective laser ablation of placental anastomoses vs equatorial laser dichorionization for the treatment of twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2013; 209: 234.e1-8.</mixed-citation><mixed-citation xml:lang="en">Baschat AA, Barber J, Pedersen N, Turan OM, Harman CR. Outcome after fetoscopic selective laser ablation of placental anastomoses vs equatorial laser dichorionization for the treatment of twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2013; 209: 234.e1-8.</mixed-citation></citation-alternatives></ref><ref id="cit87"><label>87</label><citation-alternatives><mixed-citation xml:lang="ru">Slaghekke F, Lopriore E, Lewi L, Middeldorp JM, van Zwet EW, Weingertner AS, Klumper FJ, DeKoninck P, Devlieger R, Kilby MD, Rustico MA, Deprest J, Favre R, Oepkes D. Fetoscopic laser coagulation of the vascular equator versus selective coagulation for twin-to-twin transfusion syndrome: an open-label randomised controlled trial. Lancet 2014; 383: 2144-2151.</mixed-citation><mixed-citation xml:lang="en">Slaghekke F, Lopriore E, Lewi L, Middeldorp JM, van Zwet EW, Weingertner AS, Klumper FJ, DeKoninck P, Devlieger R, Kilby MD, Rustico MA, Deprest J, Favre R, Oepkes D. Fetoscopic laser coagulation of the vascular equator versus selective coagulation for twin-to-twin transfusion syndrome: an open-label randomised controlled trial. Lancet 2014; 383: 2144-2151.</mixed-citation></citation-alternatives></ref><ref id="cit88"><label>88</label><citation-alternatives><mixed-citation xml:lang="ru">Raboisson MJ, Fouron JC, Lamoureux J, Leduc L, Grignon A, Proulx F, Gamache S. Early intertwin differences in myocardial performance during the twin-to-twin transfusion syndrome. Circulation 2004; 110: 3043-3048.</mixed-citation><mixed-citation xml:lang="en">Raboisson MJ, Fouron JC, Lamoureux J, Leduc L, Grignon A, Proulx F, Gamache S. Early intertwin differences in myocardial performance during the twin-to-twin transfusion syndrome. Circulation 2004; 110: 3043-3048.</mixed-citation></citation-alternatives></ref><ref id="cit89"><label>89</label><citation-alternatives><mixed-citation xml:lang="ru">Michelfelder E, Gottliebson W, Border W, Kinsel M, Polzin W, Livingston J, Khoury P, Crombleholme T. Early manifestations and spectrum of recipient twin cardiomyopathy in twin-twin transfusion syndrome: relation to Quintero stage. Ultrasound Obstet Gynecol 2007; 3: 965-971.</mixed-citation><mixed-citation xml:lang="en">Michelfelder E, Gottliebson W, Border W, Kinsel M, Polzin W, Livingston J, Khoury P, Crombleholme T. Early manifestations and spectrum of recipient twin cardiomyopathy in twin-twin transfusion syndrome: relation to Quintero stage. Ultrasound Obstet Gynecol 2007; 3: 965-971.</mixed-citation></citation-alternatives></ref><ref id="cit90"><label>90</label><citation-alternatives><mixed-citation xml:lang="ru">Ville Y. Twin-to-twin transfusion syndrome: time to forget the Quintero staging system? Ultrasound Obstet Gynecol 2007; 30: 924-927.</mixed-citation><mixed-citation xml:lang="en">Ville Y. Twin-to-twin transfusion syndrome: time to forget the Quintero staging system? Ultrasound Obstet Gynecol 2007; 30: 924-927.</mixed-citation></citation-alternatives></ref><ref id="cit91"><label>91</label><citation-alternatives><mixed-citation xml:lang="ru">Huber A, Diehl W, Zikulnig L, Bregenzer T, Hackeloer BJ, Hecher K. Perinatal outcome in mono chorionic twin pregnancies complicated by amniotic fluid discordance without severe twintwin transfusion syndrome. Ultrasound Obstet Gynecol 2006; 27: 48-52.</mixed-citation><mixed-citation xml:lang="en">Huber A, Diehl W, Zikulnig L, Bregenzer T, Hackeloer BJ, Hecher K. Perinatal outcome in mono chorionic twin pregnancies complicated by amniotic fluid discordance without severe twintwin transfusion syndrome. Ultrasound Obstet Gynecol 2006; 27: 48-52.</mixed-citation></citation-alternatives></ref><ref id="cit92"><label>92</label><citation-alternatives><mixed-citation xml:lang="ru">Van Mieghem T, Eixarch E, Gucciardo L, Done E, Gonzales I, Van Schoubroeck D, Lewi L, Gratacos E, Deprest J. Outcome prediction in monochorionic diamniotic twin pregnancies with moderately discordant amniotic fluid. Ultrasound Obstet Gynecol 2011; 37: 15-21.</mixed-citation><mixed-citation xml:lang="en">Van Mieghem T, Eixarch E, Gucciardo L, Done E, Gonzales I, Van Schoubroeck D, Lewi L, Gratacos E, Deprest J. Outcome prediction in monochorionic diamniotic twin pregnancies with moderately discordant amniotic fluid. Ultrasound Obstet Gynecol 2011; 37: 15-21.</mixed-citation></citation-alternatives></ref><ref id="cit93"><label>93</label><citation-alternatives><mixed-citation xml:lang="ru">Baud D, Windrim R, Keunen J, Kelly EN, Shah P, van Mieghem T, Seaward PG, Ryan G. Fetoscopic laser therapy for twin-twin transfusion syndrome before 17 and after 26 weeks' gestation. Am J Obstet Gynecol 2013; 208: 197.e1-7.</mixed-citation><mixed-citation xml:lang="en">Baud D, Windrim R, Keunen J, Kelly EN, Shah P, van Mieghem T, Seaward PG, Ryan G. Fetoscopic laser therapy for twin-twin transfusion syndrome before 17 and after 26 weeks' gestation. Am J Obstet Gynecol 2013; 208: 197.e1-7.</mixed-citation></citation-alternatives></ref><ref id="cit94"><label>94</label><citation-alternatives><mixed-citation xml:lang="ru">Middeldorp JM, Lopriore E, Sueters M, Klumper FJ, Kanhai HH, Vandenbussche FP, Oepkes D. Twin-totwin transfusion syndrome after 26 weeks of gestation: is there a role for fetoscopic laser surgery? BJOG 2007; 114: 694-698.</mixed-citation><mixed-citation xml:lang="en">Middeldorp JM, Lopriore E, Sueters M, Klumper FJ, Kanhai HH, Vandenbussche FP, Oepkes D. Twin-totwin transfusion syndrome after 26 weeks of gestation: is there a role for fetoscopic laser surgery? BJOG 2007; 114: 694-698.</mixed-citation></citation-alternatives></ref><ref id="cit95"><label>95</label><citation-alternatives><mixed-citation xml:lang="ru">Rossi AC, D'Addario V. Survival outcomes of twin-twin transfusion syndrome stage I: a systematic review of literature. Am J Perinatol 2013; 30: 5-10.</mixed-citation><mixed-citation xml:lang="en">Rossi AC, D'Addario V. Survival outcomes of twin-twin transfusion syndrome stage I: a systematic review of literature. Am J Perinatol 2013; 30: 5-10.</mixed-citation></citation-alternatives></ref><ref id="cit96"><label>96</label><citation-alternatives><mixed-citation xml:lang="ru">Robyr R, Lewi L, Salomon LJ, Yamamoto M, Bernard JP, Deprest J, Ville Y. Prevalence and management of late fetal complications following successful selective laser coagulation of chorionic plate anastomoses in twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2006; 194: 796-803.</mixed-citation><mixed-citation xml:lang="en">Robyr R, Lewi L, Salomon LJ, Yamamoto M, Bernard JP, Deprest J, Ville Y. Prevalence and management of late fetal complications following successful selective laser coagulation of chorionic plate anastomoses in twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2006; 194: 796-803.</mixed-citation></citation-alternatives></ref><ref id="cit97"><label>97</label><citation-alternatives><mixed-citation xml:lang="ru">Assaf SA, Korst LM, Chmait RH. Normalization of amniotic fluid levels after fetoscopic laser surgery for twin-twin transfusion syndrome. J Ultrasound Med 2010; 29: 1431-1436.</mixed-citation><mixed-citation xml:lang="en">Assaf SA, Korst LM, Chmait RH. Normalization of amniotic fluid levels after fetoscopic laser surgery for twin-twin transfusion syndrome. J Ultrasound Med 2010; 29: 1431-1436.</mixed-citation></citation-alternatives></ref><ref id="cit98"><label>98</label><citation-alternatives><mixed-citation xml:lang="ru">Van Mieghem T, Lewi L, Gucciardo L, Dekoninck P, Van Schoubroeck D, Devlieger R, Deprest J. The fetal heart in twin-to-twin transfusion syndrome. Int J Pediatr 2010; Article ID 379792, DOI: 10.1155/2010/379792.</mixed-citation><mixed-citation xml:lang="en">Van Mieghem T, Lewi L, Gucciardo L, Dekoninck P, Van Schoubroeck D, Devlieger R, Deprest J. The fetal heart in twin-to-twin transfusion syndrome. Int J Pediatr 2010; Article ID 379792, DOI: 10.1155/2010/379792.</mixed-citation></citation-alternatives></ref><ref id="cit99"><label>99</label><citation-alternatives><mixed-citation xml:lang="ru">Herberg U, Bolay J, Graeve P, Hecher K, Bartmann P, Breuer J. Intertwin cardiac status at 10-year follow-up after intrauterine laser coagulation therapy of severe twin-twin transfusion syndrome: comparison of donor, recipient and normal values. Arch Dis Child Fetal Neonatal Ed 2014; 99: F380-385.</mixed-citation><mixed-citation xml:lang="en">Herberg U, Bolay J, Graeve P, Hecher K, Bartmann P, Breuer J. Intertwin cardiac status at 10-year follow-up after intrauterine laser coagulation therapy of severe twin-twin transfusion syndrome: comparison of donor, recipient and normal values. Arch Dis Child Fetal Neonatal Ed 2014; 99: F380-385.</mixed-citation></citation-alternatives></ref><ref id="cit100"><label>100</label><citation-alternatives><mixed-citation xml:lang="ru">Spruijt M, Steggerda S, Rath M, van Zwet E, Oepkes D, Walther F, Lopriore E. Cerebral injury in twin-twin transfusion syndrome treated with fetoscopic laser surgery. Obstet Gynecol 2012; 120: 15-20.</mixed-citation><mixed-citation xml:lang="en">Spruijt M, Steggerda S, Rath M, van Zwet E, Oepkes D, Walther F, Lopriore E. Cerebral injury in twin-twin transfusion syndrome treated with fetoscopic laser surgery. Obstet Gynecol 2012; 120: 15-20.</mixed-citation></citation-alternatives></ref><ref id="cit101"><label>101</label><citation-alternatives><mixed-citation xml:lang="ru">Weisz B, Hoffmann C, Ben-Baruch S, Yinon Y, Gindes L, Katorza E, Shrim A, Bar Yosef O, Schiff E, Lipitz S. Early detection by diffusionweighted sequence magnetic resonance imaging of severe brain lesions after fetoscopic laser coagulation for twin-twin transfusion syndrome. Ultrasound Obstet Gynecol 2014; 44: 44-49.</mixed-citation><mixed-citation xml:lang="en">Weisz B, Hoffmann C, Ben-Baruch S, Yinon Y, Gindes L, Katorza E, Shrim A, Bar Yosef O, Schiff E, Lipitz S. Early detection by diffusionweighted sequence magnetic resonance imaging of severe brain lesions after fetoscopic laser coagulation for twin-twin transfusion syndrome. Ultrasound Obstet Gynecol 2014; 44: 44-49.</mixed-citation></citation-alternatives></ref><ref id="cit102"><label>102</label><citation-alternatives><mixed-citation xml:lang="ru">Stirnemann JJ, Quibel T, Essaoui M, Salomon LJ, Bussieres L, Ville Y. Timing of delivery following selective laser photocoagulation for twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2012; 207: 127.e1-6.</mixed-citation><mixed-citation xml:lang="en">Stirnemann JJ, Quibel T, Essaoui M, Salomon LJ, Bussieres L, Ville Y. Timing of delivery following selective laser photocoagulation for twin-to-twin transfusion syndrome. Am J Obstet Gynecol 2012; 207: 127.e1-6.</mixed-citation></citation-alternatives></ref><ref id="cit103"><label>103</label><citation-alternatives><mixed-citation xml:lang="ru">Hoffmann C, Weisz B, Yinon Y, Hogen L, Gindes L, Shrim A, Sivan E, Schiff E, Lipitz S. Diffusion MRI indings in monochorionic twin pregnancies after intrauterine fetal death. AJNR Am J Neuroradiol 2013; 34: 212-216.</mixed-citation><mixed-citation xml:lang="en">Hoffmann C, Weisz B, Yinon Y, Hogen L, Gindes L, Shrim A, Sivan E, Schiff E, Lipitz S. Diffusion MRI indings in monochorionic twin pregnancies after intrauterine fetal death. AJNR Am J Neuroradiol 2013; 34: 212-216.</mixed-citation></citation-alternatives></ref><ref id="cit104"><label>104</label><citation-alternatives><mixed-citation xml:lang="ru">Quarello E, Molho M, Ville Y. Incidence, mechanisms, and patterns of fetal cerebral lesions in twin-to-twin transfusion syndrome. J Matern Fetal Neonatal Med 2007; 20: 589-597.</mixed-citation><mixed-citation xml:lang="en">Quarello E, Molho M, Ville Y. Incidence, mechanisms, and patterns of fetal cerebral lesions in twin-to-twin transfusion syndrome. J Matern Fetal Neonatal Med 2007; 20: 589-597.</mixed-citation></citation-alternatives></ref><ref id="cit105"><label>105</label><citation-alternatives><mixed-citation xml:lang="ru">Hillman SC, Morris RK, Kilby MD. Co-twin prognosis after single fetal death: a systematic review and meta-analysis. Obstet Gynecol 2011; 118: 928-940.</mixed-citation><mixed-citation xml:lang="en">Hillman SC, Morris RK, Kilby MD. Co-twin prognosis after single fetal death: a systematic review and meta-analysis. Obstet Gynecol 2011; 118: 928-940.</mixed-citation></citation-alternatives></ref><ref id="cit106"><label>106</label><citation-alternatives><mixed-citation xml:lang="ru">Banek CS, Hecher K, Hackeloer BJ, Bartmann P. Long-term neurodevelopmental outcome after intrauterine laser treatment for severe twin-twin transfusion syndrome. Am J Obstet Gynecol 2003; 188: 876-880.</mixed-citation><mixed-citation xml:lang="en">Banek CS, Hecher K, Hackeloer BJ, Bartmann P. Long-term neurodevelopmental outcome after intrauterine laser treatment for severe twin-twin transfusion syndrome. Am J Obstet Gynecol 2003; 188: 876-880.</mixed-citation></citation-alternatives></ref><ref id="cit107"><label>107</label><citation-alternatives><mixed-citation xml:lang="ru">Graef C, Ellenrieder B, Hecher K, Hackeloer BJ, Huber A, Bartmann P. Long-term neurodevelopmental outcome of 167 children after intrauterine laser treatment for severe twin-twin transfusion syndrome. Am J Obstet Gynecol 2006; 194: 303-308.</mixed-citation><mixed-citation xml:lang="en">Graef C, Ellenrieder B, Hecher K, Hackeloer BJ, Huber A, Bartmann P. Long-term neurodevelopmental outcome of 167 children after intrauterine laser treatment for severe twin-twin transfusion syndrome. Am J Obstet Gynecol 2006; 194: 303-308.</mixed-citation></citation-alternatives></ref><ref id="cit108"><label>108</label><citation-alternatives><mixed-citation xml:lang="ru">Graeve P, Banek C, Stegmann-Woessner G, Maschke C, Hecher K, Bartmann P. Neuro developmental outcome at 6 years of age after intrauterine laser therapy for twin-twin transfusion syndrome. Acta Paed iatr 2012; 101: 1200-1205.</mixed-citation><mixed-citation xml:lang="en">Graeve P, Banek C, Stegmann-Woessner G, Maschke C, Hecher K, Bartmann P. Neuro developmental outcome at 6 years of age after intrauterine laser therapy for twin-twin transfusion syndrome. Acta Paed iatr 2012; 101: 1200-1205.</mixed-citation></citation-alternatives></ref><ref id="cit109"><label>109</label><citation-alternatives><mixed-citation xml:lang="ru">Slaghekke F, Kist WJ, Oepkes D, Pasman SA, Middeldorp JM, Klumper FJ, Walther FJ, Vandenbussche FP, Lopriore E. Twin anemia-polycythemia sequence: diagnostic criteria, classiication, perinatal management and outcome. Fetal Diagn Ther 2010; 27: 181-190.</mixed-citation><mixed-citation xml:lang="en">Slaghekke F, Kist WJ, Oepkes D, Pasman SA, Middeldorp JM, Klumper FJ, Walther FJ, Vandenbussche FP, Lopriore E. Twin anemia-polycythemia sequence: diagnostic criteria, classiication, perinatal management and outcome. Fetal Diagn Ther 2010; 27: 181-190.</mixed-citation></citation-alternatives></ref><ref id="cit110"><label>110</label><citation-alternatives><mixed-citation xml:lang="ru">Lopriore E, Slaghekke F, Oepkes D, Middeldorp JM, Vandenbussche FP, Walther FJ. Hematological characteristics in neonates with twin anemia-polycythemia sequence (TAPS). Prenat Diagn 2010; 30: 251-255.</mixed-citation><mixed-citation xml:lang="en">Lopriore E, Slaghekke F, Oepkes D, Middeldorp JM, Vandenbussche FP, Walther FJ. Hematological characteristics in neonates with twin anemia-polycythemia sequence (TAPS). Prenat Diagn 2010; 30: 251-255.</mixed-citation></citation-alternatives></ref><ref id="cit111"><label>111</label><citation-alternatives><mixed-citation xml:lang="ru">Lopriore E, Slaghekke F, Oepkes D, Middeldorp JM, Vandenbussche FP, Walther FJ. Clinical outcome in neonates with twin anemia-polycythemia sequence. Am J Obstet Gynecol 2010; 203: 54.e1-5.</mixed-citation><mixed-citation xml:lang="en">Lopriore E, Slaghekke F, Oepkes D, Middeldorp JM, Vandenbussche FP, Walther FJ. Clinical outcome in neonates with twin anemia-polycythemia sequence. Am J Obstet Gynecol 2010; 203: 54.e1-5.</mixed-citation></citation-alternatives></ref><ref id="cit112"><label>112</label><citation-alternatives><mixed-citation xml:lang="ru">Lopriore E, Slaghekke F, Kersbergen KJ, de Vries LS, Drogtrop AP, Middeldorp JM, Oepkes D, Benders MJ. Severe cerebral injury in a recipient with twin anemia-polycythemia sequence. Ultrasound Obstet Gynecol 2013; 41: 702-706.</mixed-citation><mixed-citation xml:lang="en">Lopriore E, Slaghekke F, Kersbergen KJ, de Vries LS, Drogtrop AP, Middeldorp JM, Oepkes D, Benders MJ. Severe cerebral injury in a recipient with twin anemia-polycythemia sequence. Ultrasound Obstet Gynecol 2013; 41: 702-706.</mixed-citation></citation-alternatives></ref><ref id="cit113"><label>113</label><citation-alternatives><mixed-citation xml:lang="ru">Slaghekke F, van Klink JM, Koopman HM, Middeldorp JM, Oepkes D, Lopriore E. Neurodevelopmental outcome in twin anemia-polycythemia sequence after laser surgery for twin-twin transfusion syndrome. Ultrasound Obstet Gynecol 2014; 44: 316-321.</mixed-citation><mixed-citation xml:lang="en">Slaghekke F, van Klink JM, Koopman HM, Middeldorp JM, Oepkes D, Lopriore E. Neurodevelopmental outcome in twin anemia-polycythemia sequence after laser surgery for twin-twin transfusion syndrome. Ultrasound Obstet Gynecol 2014; 44: 316-321.</mixed-citation></citation-alternatives></ref><ref id="cit114"><label>114</label><citation-alternatives><mixed-citation xml:lang="ru">Genova L, Slaghekke F, Klumper FJ, Middeldorp JM, Steggerda SJ, Oepkes D, Lopriore E. Manage ment of twin anemia-polycythemia sequence using intrauterine blood transfusion for the donor and partial exchange transfusion for the recipient. Fetal Diagn Ther 2013; 34: 121-126.</mixed-citation><mixed-citation xml:lang="en">Genova L, Slaghekke F, Klumper FJ, Middeldorp JM, Steggerda SJ, Oepkes D, Lopriore E. Manage ment of twin anemia-polycythemia sequence using intrauterine blood transfusion for the donor and partial exchange transfusion for the recipient. Fetal Diagn Ther 2013; 34: 121-126.</mixed-citation></citation-alternatives></ref><ref id="cit115"><label>115</label><citation-alternatives><mixed-citation xml:lang="ru">Dhillon RK, Hillman SC, Pounds R, Morris RK, Kilby MD. Comparison of Solomon technique against selective laser ablation for twin-twin transfusion syndrome: a systematic review. Ultrasound Obstet Gynecol 2015; 46: 526-533.</mixed-citation><mixed-citation xml:lang="en">Dhillon RK, Hillman SC, Pounds R, Morris RK, Kilby MD. Comparison of Solomon technique against selective laser ablation for twin-twin transfusion syndrome: a systematic review. Ultrasound Obstet Gynecol 2015; 46: 526-533.</mixed-citation></citation-alternatives></ref><ref id="cit116"><label>116</label><citation-alternatives><mixed-citation xml:lang="ru">Moore TR, Gale S, Benirschke K. Perinatal outcome of forty nine pregnancies complicated by acardiac twinning. Am J Obstet Gynecol 1990; 163: 907-912.</mixed-citation><mixed-citation xml:lang="en">Moore TR, Gale S, Benirschke K. Perinatal outcome of forty nine pregnancies complicated by acardiac twinning. Am J Obstet Gynecol 1990; 163: 907-912.</mixed-citation></citation-alternatives></ref><ref id="cit117"><label>117</label><citation-alternatives><mixed-citation xml:lang="ru">Wong AE, Sepulveda W. Acardiac anomaly: current issues in prenatal assessment and treatment. Prenat Diagn 2005; 25: 796-806.</mixed-citation><mixed-citation xml:lang="en">Wong AE, Sepulveda W. Acardiac anomaly: current issues in prenatal assessment and treatment. Prenat Diagn 2005; 25: 796-806.</mixed-citation></citation-alternatives></ref><ref id="cit118"><label>118</label><citation-alternatives><mixed-citation xml:lang="ru">Lewi L, Valencia C, Gonzalez E, Deprest J, Nicolaides KH. The outcome of twin reversed arterial perfusion sequence diagnosed in the first trimester. Am J Obstet Gynecol 2010; 203: 213.e1-4.</mixed-citation><mixed-citation xml:lang="en">Lewi L, Valencia C, Gonzalez E, Deprest J, Nicolaides KH. The outcome of twin reversed arterial perfusion sequence diagnosed in the first trimester. Am J Obstet Gynecol 2010; 203: 213.e1-4.</mixed-citation></citation-alternatives></ref><ref id="cit119"><label>119</label><citation-alternatives><mixed-citation xml:lang="ru">Tan TY, Sepulveda W. Acardiac twin: a systematic review of minimally invasive treatment modalities. Ultrasound Obstet Gynecol 2003; 22: 409-419.</mixed-citation><mixed-citation xml:lang="en">Tan TY, Sepulveda W. Acardiac twin: a systematic review of minimally invasive treatment modalities. Ultrasound Obstet Gynecol 2003; 22: 409-419.</mixed-citation></citation-alternatives></ref><ref id="cit120"><label>120</label><citation-alternatives><mixed-citation xml:lang="ru">Pagani G, D'Antonio F, Khalil A, Papageorghiou A, Bhide A, Thilaganathan B. Intrafetal laser treatment for twin reversed arterial perfusion sequence: cohort study and meta-analysis. Ultrasound Obstet Gynecol 2013; 42: 6-14.</mixed-citation><mixed-citation xml:lang="en">Pagani G, D'Antonio F, Khalil A, Papageorghiou A, Bhide A, Thilaganathan B. Intrafetal laser treatment for twin reversed arterial perfusion sequence: cohort study and meta-analysis. Ultrasound Obstet Gynecol 2013; 42: 6-14.</mixed-citation></citation-alternatives></ref><ref id="cit121"><label>121</label><citation-alternatives><mixed-citation xml:lang="ru">Chaveeva P, Poon LC, Sotiriadis A, Kosinski P, Nicolaides KH. Optimal method and timing of intrauterine intervention in twin reversed arterial perfusion sequence: case study and meta-analysis. Fetal Diagn Ther 2014; 35: 267-279.</mixed-citation><mixed-citation xml:lang="en">Chaveeva P, Poon LC, Sotiriadis A, Kosinski P, Nicolaides KH. Optimal method and timing of intrauterine intervention in twin reversed arterial perfusion sequence: case study and meta-analysis. Fetal Diagn Ther 2014; 35: 267-279.</mixed-citation></citation-alternatives></ref><ref id="cit122"><label>122</label><citation-alternatives><mixed-citation xml:lang="ru">Benirschke K, Kim CK. Multiple pregnancy. 1. N Engl J Med 1973; 288: 1276-1284.</mixed-citation><mixed-citation xml:lang="en">Benirschke K, Kim CK. Multiple pregnancy. 1. N Engl J Med 1973; 288: 1276-1284.</mixed-citation></citation-alternatives></ref><ref id="cit123"><label>123</label><citation-alternatives><mixed-citation xml:lang="ru">Prefumo F, Fichera A, Pagani G, Marella D, Valcamonico A, Frusca T. The natural history of monoamniotic twin pregnancies: a case series and systematic review of the literature. Prenat Diagn 2015; 35: 274-280.</mixed-citation><mixed-citation xml:lang="en">Prefumo F, Fichera A, Pagani G, Marella D, Valcamonico A, Frusca T. The natural history of monoamniotic twin pregnancies: a case series and systematic review of the literature. Prenat Diagn 2015; 35: 274-280.</mixed-citation></citation-alternatives></ref><ref id="cit124"><label>124</label><citation-alternatives><mixed-citation xml:lang="ru">Raphael SI. Monoamniotic twin pregnancy. A review of the literature and a report of 5 new cases. Am J Obstet Gynecol 1961; 81: 323-330.</mixed-citation><mixed-citation xml:lang="en">Raphael SI. Monoamniotic twin pregnancy. A review of the literature and a report of 5 new cases. Am J Obstet Gynecol 1961; 81: 323-330.</mixed-citation></citation-alternatives></ref><ref id="cit125"><label>125</label><citation-alternatives><mixed-citation xml:lang="ru">Wensinger JA, Daly RF. Monoamniotic twins. Am J Obstet Gynecol 1962; 83: 1254-1256.</mixed-citation><mixed-citation xml:lang="en">Wensinger JA, Daly RF. Monoamniotic twins. Am J Obstet Gynecol 1962; 83: 1254-1256.</mixed-citation></citation-alternatives></ref><ref id="cit126"><label>126</label><citation-alternatives><mixed-citation xml:lang="ru">Timmons JD, Dealvarez RR. Monoamniotic twin pregnancy. Am J Obstet Gynecol 1963; 86: 875-881.</mixed-citation><mixed-citation xml:lang="en">Timmons JD, Dealvarez RR. Monoamniotic twin pregnancy. Am J Obstet Gynecol 1963; 86: 875-881.</mixed-citation></citation-alternatives></ref><ref id="cit127"><label>127</label><citation-alternatives><mixed-citation xml:lang="ru">Rossi AC, Prefumo F. Impact of cord entanglement on perinatal outcome of monoamniotic twins: a systematic review of the literature. Ultrasound Obstet Gynecol 2013; 41: 131-135.</mixed-citation><mixed-citation xml:lang="en">Rossi AC, Prefumo F. Impact of cord entanglement on perinatal outcome of monoamniotic twins: a systematic review of the literature. Ultrasound Obstet Gynecol 2013; 41: 131-135.</mixed-citation></citation-alternatives></ref><ref id="cit128"><label>128</label><citation-alternatives><mixed-citation xml:lang="ru">Hack KE, Derks JB, Schaap AH, Lopriore E, Elias SG, Arabin B, Eggink AJ, Sollie KM, Mol BW, Duvekot HJ, Willekes C, Go AT, Koopman-Esseboom C, Vandenbussche FP, Visser GH. Perinatal outcome of monoamniotic twin pregnancies. Obstet Gynecol 2009; 113: 353-360.</mixed-citation><mixed-citation xml:lang="en">Hack KE, Derks JB, Schaap AH, Lopriore E, Elias SG, Arabin B, Eggink AJ, Sollie KM, Mol BW, Duvekot HJ, Willekes C, Go AT, Koopman-Esseboom C, Vandenbussche FP, Visser GH. Perinatal outcome of monoamniotic twin pregnancies. Obstet Gynecol 2009; 113: 353-360.</mixed-citation></citation-alternatives></ref><ref id="cit129"><label>129</label><citation-alternatives><mixed-citation xml:lang="ru">Van Mieghem T, De Heus R, Lewi L, Klaritsch P, Kollmann M, Baud D, Vial Y, Shah PS, Ranzini AC, Mason L, Raio L, Lachat R, Barrett J, Khorsand V, Windrim R, Ryan G. Prenatal management of monoamniotic twin pregnancies. Obstet Gynecol 2014; 124: 498-506.</mixed-citation><mixed-citation xml:lang="en">Van Mieghem T, De Heus R, Lewi L, Klaritsch P, Kollmann M, Baud D, Vial Y, Shah PS, Ranzini AC, Mason L, Raio L, Lachat R, Barrett J, Khorsand V, Windrim R, Ryan G. Prenatal management of monoamniotic twin pregnancies. Obstet Gynecol 2014; 124: 498-506.</mixed-citation></citation-alternatives></ref><ref id="cit130"><label>130</label><citation-alternatives><mixed-citation xml:lang="ru">Dias T, Mahsud-Dornan S, Bhide A, Papageorghiou AT, Thilaganathan B. Cord entanglement and perinatal outcome in monoamniotic twin pregnancies. Ultrasound Obstet Gynecol 2010; 35: 201-204.</mixed-citation><mixed-citation xml:lang="en">Dias T, Mahsud-Dornan S, Bhide A, Papageorghiou AT, Thilaganathan B. Cord entanglement and perinatal outcome in monoamniotic twin pregnancies. Ultrasound Obstet Gynecol 2010; 35: 201-204.</mixed-citation></citation-alternatives></ref><ref id="cit131"><label>131</label><citation-alternatives><mixed-citation xml:lang="ru">Aurioles-Garibay A, Hernandez-Andrade E, Romero R, Garcia M, Qureshi F, Jacques SM, Ahn H, Yeo L, Chaiworapongsa T, Hassan SS. Presence of an umbilical artery notch in monochorionic/monoamniotic twins. Fetal Diagn Ther 2014; 36: 305-311.</mixed-citation><mixed-citation xml:lang="en">Aurioles-Garibay A, Hernandez-Andrade E, Romero R, Garcia M, Qureshi F, Jacques SM, Ahn H, Yeo L, Chaiworapongsa T, Hassan SS. Presence of an umbilical artery notch in monochorionic/monoamniotic twins. Fetal Diagn Ther 2014; 36: 305-311.</mixed-citation></citation-alternatives></ref><ref id="cit132"><label>132</label><citation-alternatives><mixed-citation xml:lang="ru">Middeldorp JM, Klumper FJ, Oepkes D, Lopriore E, Kanhai HH, Vandenbussche FP. Selective feticide in monoamniotic twin pregnancies by umbilical cord occlusion and transection. Fetal Diagn Ther 2008; 23: 121-125.</mixed-citation><mixed-citation xml:lang="en">Middeldorp JM, Klumper FJ, Oepkes D, Lopriore E, Kanhai HH, Vandenbussche FP. Selective feticide in monoamniotic twin pregnancies by umbilical cord occlusion and transection. Fetal Diagn Ther 2008; 23: 121-125.</mixed-citation></citation-alternatives></ref><ref id="cit133"><label>133</label><citation-alternatives><mixed-citation xml:lang="ru">Quintero RA, Romero R, Reich H, Goncalves L, Johnson MP, Carreno C, Evans MI. In-utero percutaneous umbilical cord ligation in the management of complicated monochorionic multiple gestations. Ultrasound Obstet Gynecol 1996; 8: 16-22.</mixed-citation><mixed-citation xml:lang="en">Quintero RA, Romero R, Reich H, Goncalves L, Johnson MP, Carreno C, Evans MI. In-utero percutaneous umbilical cord ligation in the management of complicated monochorionic multiple gestations. Ultrasound Obstet Gynecol 1996; 8: 16-22.</mixed-citation></citation-alternatives></ref><ref id="cit134"><label>134</label><citation-alternatives><mixed-citation xml:lang="ru">Valsky DV, Martinez-Serrano MJ, Sanz M, Eixarch E, Acosta ER, Martinez JM, Puerto B, Gratacos E. Cord occlusion followed by laser cord transection in monochorionic monoamniotic discordant twins. Ultrasound Obstet Gynecol 2011; 37: 684-688.</mixed-citation><mixed-citation xml:lang="en">Valsky DV, Martinez-Serrano MJ, Sanz M, Eixarch E, Acosta ER, Martinez JM, Puerto B, Gratacos E. Cord occlusion followed by laser cord transection in monochorionic monoamniotic discordant twins. Ultrasound Obstet Gynecol 2011; 37: 684-688.</mixed-citation></citation-alternatives></ref><ref id="cit135"><label>135</label><citation-alternatives><mixed-citation xml:lang="ru">Peeters SH, Devlieger R, Middeldorp JM, DeKoninck P, Deprest J, Lopriore E, Lewi L, Klumper FJ, Kontopoulos E, Quintero R, Oepkes D. Fetal surgery in complicated monoamniotic pregnancies: case series and systematic review of the literature. Prenat Diagn 2014; 34: 586-591.</mixed-citation><mixed-citation xml:lang="en">Peeters SH, Devlieger R, Middeldorp JM, DeKoninck P, Deprest J, Lopriore E, Lewi L, Klumper FJ, Kontopoulos E, Quintero R, Oepkes D. Fetal surgery in complicated monoamniotic pregnancies: case series and systematic review of the literature. Prenat Diagn 2014; 34: 586-591.</mixed-citation></citation-alternatives></ref><ref id="cit136"><label>136</label><citation-alternatives><mixed-citation xml:lang="ru">Baken L, Rousian M, Kompanje EJ, Koning AH, van der Spek PJ, Steegers EA, Exalto N. Diagnostic techniques and criteria for first-trimester conjoined twin documentation: a review of the literature illustrated by three recent cases. Obstet Gynecol Surv 2013; 68: 743-752.</mixed-citation><mixed-citation xml:lang="en">Baken L, Rousian M, Kompanje EJ, Koning AH, van der Spek PJ, Steegers EA, Exalto N. Diagnostic techniques and criteria for first-trimester conjoined twin documentation: a review of the literature illustrated by three recent cases. Obstet Gynecol Surv 2013; 68: 743-752.</mixed-citation></citation-alternatives></ref><ref id="cit137"><label>137</label><citation-alternatives><mixed-citation xml:lang="ru">Agarwal U, Dahiya P, Khosla A. Vaginal birth of conjoined thoracopagus: a rare event. Arch Gynecol Obstet 2003; 269: 66-67.</mixed-citation><mixed-citation xml:lang="en">Agarwal U, Dahiya P, Khosla A. Vaginal birth of conjoined thoracopagus: a rare event. Arch Gynecol Obstet 2003; 269: 66-67.</mixed-citation></citation-alternatives></ref><ref id="cit138"><label>138</label><citation-alternatives><mixed-citation xml:lang="ru">“ISUOG Practice Guidelines: role of ultrasound in twin pregnancy” опубликован в журнале “Ultrasound in Obstetrics &amp; Gynecology” (2016. V. 47. P. 247-263) и на сайте http://www.isuog.org</mixed-citation><mixed-citation xml:lang="en">“ISUOG Practice Guidelines: role of ultrasound in twin pregnancy” опубликован в журнале “Ultrasound in Obstetrics &amp; Gynecology” (2016. V. 47. P. 247-263) и на сайте http://www.isuog.org</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
