特发性羊水过多与胎儿性别
Idiopathic polyhydramnios and fetal gender.
作者信息
Stanescu A D, Banica R, Olaru G, Ghinda E, Birdir Cahit
机构信息
"Saint John" Clinical Emergency Hospital, Bucur Maternity, University of Medicine and Pharmacy "Carol Davila", Bucharest, Romania.
出版信息
Arch Gynecol Obstet. 2015 May;291(5):987-91. doi: 10.1007/s00404-014-3504-1. Epub 2014 Oct 7.
OBJECTIVES
To determine the relationship between idiopathic polyhydramnios and fetal gender in the absence of fetal or maternal abnormalities.
METHODS
This was a retrospective population-based register study. 295 women with singleton pregnancies complicated by idiopathic polyhydramnios (amniotic fluid index (AFI) higher than 24 cm) who were delivered at our institution from January 2002 till December 2012 were included. Only pregnancies with an uncomplicated outcome were accepted in this study. The incidence of the male to female fetuses was compared with the one in the general population.
RESULTS
Among pregnancies complicated by idiopathic polyhydramnios, the following gender distribution was found: 72.9% male and 37.1% female. The distribution in the general population was 51.5% female and 48.5% male. The mean AFI was significantly increased in male fetuses (p < 0.001). The increased AFI did not correlate with gestation age, fetal head circumference or estimated fetal weight.
CONCLUSIONS
Idiopathic polyhydramnios is more frequent in male normal fetuses than in female ones.
目的
在无胎儿或母体异常的情况下，确定特发性羊水过多与胎儿性别的关系。
方法
这是一项基于人群的回顾性登记研究。纳入了2002年1月至2012年12月在我院分娩的295例单胎妊娠合并特发性羊水过多（羊水指数（AFI）高于24 cm）的妇女。本研究仅纳入结局无并发症的妊娠。将男胎与女胎的发生率与一般人群中的发生率进行比较。
结果
在合并特发性羊水过多的妊娠中，发现以下性别分布：男性占72.9%，女性占37.1%。一般人群中的分布为女性占51.5%，男性占48.5%。男胎的平均AFI显著升高（p < 0.001）。AFI升高与孕周、胎儿头围或估计胎儿体重无关。
结论
特发性羊水过多在男性正常胎儿中比在女性正常胎儿中更常见。
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