Results:The factors were:Operating frequency of cervical,premature rupture of membrane,twin pregnancies. Selection embryo reduction was the correlation factor of late spontaneous abortion,too.
结果:ART后晚期流产和早产的相关因素有宫颈操作次数、胎膜早破以及双胎妊娠,选择性减胎术亦可增加晚期流产的危险。
参考来源 - 辅助生殖技术妊娠后异常时限分娩相关因素分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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