ResultsOf 3 pregnant women with primary pulmonary hypertension(PPH ) , 2 died during cesarean section and 1 survived after early terminationofpregnancy;
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。
2
Conclusion: early diagnosis, correcting blood clotting function, and early terminationofpregnancy 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。
3
This article discusses the causes of placenta previa, harm, terminationofpregnancy, bleeding after the treatment, mainly to reduce maternal and infant mortality.