2014
DOI: 10.1016/j.ajog.2014.03.003
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Risk of late-preterm stillbirth and neonatal morbidity for monochorionic and dichorionic twins

Abstract: Objectives To determine the prospective risk of IUFD ≥ 34 weeks’ gestation for monochorionic (MC) and dichorionic (DC) twins receiving intensive antenatal fetal surveillance. The secondary objective is to calculate the incidence of prematurity-related neonatal morbidity/mortality, stratified by gestational week and chorionicity. Study Design A retrospective cohort study of all twins ≥ 34 weeks delivered at MUSC (1987–2010) was performed. Twins were cared for in a longstanding Twin Clinic with standardized ma… Show more

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Cited by 58 publications
(79 citation statements)
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“…A cohort analysis indicates that the risk of perinatal mortality increases in a twin pregnancy after 37 weeks in the same way as after 41 weeks in a single pregnancy [29]. Failures to a large extent are associated with the presence of a single chorion [30]. In monochorionic diamniotic pregnancies, hemodynamic abnormalities related to vascular connections in the placenta are associated with a significantly higher risk of mortality and morbidity of twins compared to dichorionic pregnancies [31].…”
Section: A Twin Pregnancymentioning
confidence: 96%
“…A cohort analysis indicates that the risk of perinatal mortality increases in a twin pregnancy after 37 weeks in the same way as after 41 weeks in a single pregnancy [29]. Failures to a large extent are associated with the presence of a single chorion [30]. In monochorionic diamniotic pregnancies, hemodynamic abnormalities related to vascular connections in the placenta are associated with a significantly higher risk of mortality and morbidity of twins compared to dichorionic pregnancies [31].…”
Section: A Twin Pregnancymentioning
confidence: 96%
“…2,3,6 O recurso a técni-cas de PMA muito tem contribuído para esta realidade. 6,9,13 No nosso estudo, não só a PMA mas também o avançar da idade materna se revelaram fatores determinantes da corionicidade pois mesmo analisando apenas as gestações espontâneas se manteve uma diferença evidente na idade materna média entre os grupos, mais elevada na gravidez BC.…”
Section: Discussionunclassified
“…4,22 Este estudo destaca o impacto que a gemelaridade tem numa maternidade central a vários níveis: no número total de nascimentos, no âmbito dos RN muito baixo peso, na prematuridade e nas admissões em UCIN, o que vai ao encontro do que é descrito por outros autores. 2,3,11,12,22,26 Como limitações deste trabalho salientam-se a natureza retrospetiva da análise e a dimensão da amostra que, embora grande para o universo nacional, não permite nú-meros expressivos que possibilitem determinadas comparações entre os grupos, nomeadamente a incidência de morbilidade neurológica em função da corionicidade. …”
Section: 13unclassified
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“…Отмечено, что среди наблюдений многоплодных беременностей, закончившихся в сроки после 28 нед (2-я группа сравнения), пропорция была обратной -31,3% монохориальных двоен (210 из 670) и 68,6% бихориальных (460 из 670) (p<0,05). Эта пропорция соответствует обще-популяционной [11]. Таким образом, беременные с моно-хориальными двойнями являлись наиболее угрожаемыми по СПР.…”
Section: результаты и обсуждениеunclassified