Methods: Three normal embryoes with gestational ages of 3 months due to termination of pregnancy were enrolled in this study .
方法:收集胎龄为三个月左右的自愿终止妊娠引产的正常胚胎3例。
参考来源 - 人胎脑各部位Nestin阳性表达及其意义·2,447,543篇论文数据，部分数据来源于NoteExpress
ResultsOf 3 pregnant women with primary pulmonary hypertension(PPH ) , 2 died during cesarean section and 1 survived after early termination of pregnancy;
结果3例合并原发性肺动脉高压（PPH）孕妇，2例在剖宫产术中死亡，1例在孕早期终止妊娠后存活。
Conclusion: early diagnosis, correcting blood clotting function, and early termination of pregnancy could improve the conditions of the mother and the baby.
结论：早期诊断，最大限度纠正凝血功能，尽早终止妊娠可显著改善母婴结局。
This article discusses the causes of placenta previa, harm, termination of pregnancy, bleeding after the treatment, mainly to reduce maternal and infant mortality.
本文探讨前置胎盘的病因、危害、妊娠的终止、出血后的处理方法，主要是为了降低母婴的死亡率。
应用推荐