Effects of fetal sex and race on risk of very preterm birth in twins
Effects of fetal sex and race on risk of very preterm birth in twins
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DOI：
10.1016/s0002-9378(98)70079-1
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发表时间：
1998-09-01
影响因子：
9.8
通讯作者：
Schramm, WF
中科院分区：
文献类型：
--
作者：
Cooperstock, MS;Bakewell, J;Schramm, WF
目的：我们的目的是确定双胎早产的风险是否与男性胎儿的数量相关。 研究设计：在 1978 年至 1990 年密苏里州连续妊娠出生/死亡数据集中的 8109 名白人和 1884 名黑人双胞胎妊娠中，确定了 0、1 或 2 名男性在不同胎龄的早产风险。结果：以白人早产双胞胎为个体进行研究
OBJECTIVE: Our purpose was to determine whether the risk of twin preterm birth correlates with the number of male fetuses.STUDY DESIGN: Among 8109 white and 1884 black twin pregnancies in the Missouri Successive Pregnancy Birth/Death Data Set, 1978 through 1990, risk for preterm birth at various gestational ages was determined with 0, 1, or 2 male infants.RESULTS: Studied as individuals, white preterm twins