一次妊娠子宫腔内同时有两个或两个以上胎儿，称为多胎妊娠。多胎妊娠的发生率与种族、年龄及遗传等因素有关。
26．多胎妊娠（multiple pregnancy）：一次妊娠同时有 2 个或以上胎儿时程多胎妊娠。以双胎多见，分为单 卵双胎和双卵双胎。
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... plural noun复数名词;英文释义 plural pregancy多胎妊娠 irregular plural不规则复数 ...
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其他多胎妊娠 Other multiple gestation
多胎妊娠减胎术 multifetal pregnancy reduCtiOn ; MFPR
多胎妊娠减 MFPR
孕早期多胎妊娠减胎术 multifetal pregnancy reduction
其他特指的多胎妊娠 other specified multiple gestation
多胎妊娠减胎 multifetal pregnancies reduction
未特指的多胎妊娠 Multiple gestation, unspecified
特发于多胎妊娠的并发症 Complications specific to multiple gestation
特发于多胎妊娠的其他并发症 Other complications specific to multiple gestation
Conclusions: 1. Nulliparity, maternal age≥30age, maternal education, multiple gestation, maternal medical conditions and intrapartum complications were the risk factors of CD, preterm was protective against CD.
结论1．初产妇、分娩年龄≥30岁、母亲高学历、多胎妊娠、妊娠合并症及并发症和产时并发症是CD的危险因素，早产是CD的保护因素。
参考来源 - 风险校正首次剖宫产率与产科质量的评估It can reduce fetal numbers,in order to effectively improve the outcome of pregnancy,length gestational age,reduce pregnancy complications,improve the successful pregnancy rate,increase birth weight,and improve birth quality.2. Second-trimester multifetal pregnancy reduction is a simple,well-targeted, secure,reliable,effective and minimally invasive method.
2.妊娠中期多胎妊娠减胎术亦是一种方法简单、定位准确、安全可靠、有效的微创操作技术,可通过减少多胎妊娠的胎儿数目,有效改善妊娠结局,延长孕周数,减少妊娠期并发症的发生,提高妊娠成功率,增加出生体重,提高胎儿出生质量。
参考来源 - 妊娠早期及中期多胎妊娠减胎术的临床比较研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果多胎妊娠孕期及围生儿并发症较单胎明显增多。
Results: the complications of multiple pregnancy were significantly increased than the single births.
目的总结多胎妊娠早期实施选择性减胎术的应用价值及体会。
Objective To summarize the experience and realization of elective embryo reduction in early stage of multiple pregnancy.
他说，目前最新的疗法需直接刺激卵巢，风险既包括多胎妊娠又包括一些副作用。
He said most current treatments involved directly stimulating the ovaries, which carried a risk both of multiple pregnancies and side effects.
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