Prospective risk of stillbirth: monochorionic diamniotic twins vs. dichorionic twins

被引:15
|
作者
Morikawa, Mamoru [1 ]
Yamada, Takashi [1 ]
Yamada, Takahiro [1 ]
Sato, Shoji [2 ]
Cho, Kazutoshi [1 ]
Minakami, Hisanori [1 ]
机构
[1] Hokkaido Univ, Grad Sch Med, Dept Obstet & Gynecol, Sapporo, Hokkaido, Japan
[2] Oita Prefectural Hosp, Maternal & Perinatal Care Ctr, Bunyo, Oita, Japan
关键词
Intrauterine fetal death; monochorionic twins; prospective risk; stillbirth; SINGLE INTRAUTERINE DEATH; TRANSFUSION SYNDROME; PREGNANCIES;
D O I
10.1515/jpm-2011-0205
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Aims : To determine reliably the risk of stillbirth among twin pregnancies. Methods : A data analysis of 3241 and 6581 women with monochorionic diamniotic (MD) and dichorionic (DD) twins, respectively, who gave birth at >= 22 weeks of gestation. Results : The prospective risk (per 1000 women) of stillbirth, 25.3 and 11.5 at gestational week 22, decreased to <10.0 at gestational weeks 31 and 28 among the MD and DD twins, respectively. After single intrauterine fetal death, the co-twin died in utero or within 7 days of life more frequently among MD twins than among DD twins [42.7 % (35/82) vs. 2.6 % (2/76); relative risk, 16.2; 95 % confidence interval, 4.0-65.1]. Conclusion : Women with MD twins were 2.2-fold more likely to experience stillbirth than women with DD twins. The prospective risks of stillbirth were <1.0 % for both groups of women at >= 32 weeks of gestation.
引用
收藏
页码:245 / 249
页数:5
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