产妇22岁,农民,G_2Po;妊娠40周,于1991年11月4日入院。末次月经1991年1月29日,停经2个月有早孕反应,妊娠中晚期无何不适,门诊产前检查胎位、胎心音正常。1990年10月患葡萄胎不全流产,行刮宫等处理。入院时一般检查属正常,即日23时正规宫缩,次日1时胎膜早破伴阴道流血,12时45分娩出1男性新生儿,发育正常,体重 Maternal age 22, farmer, G_2Po; 40 weeks of gestation, admitted to hospital on November 4, 1991. The last menstrual January 29, 1991, menopause 2 months have early pregnancy reaction, no discomfort during the second trimester, outpatient antenatal examination fetal position, fetal heart sound normal. October 1990 suffering from hydatidiform mole miscarriage, curettage and other treatment. General examination at admission is normal, at 23:00 regular contractions, the next day at 1:00 premature rupture of membranes with vaginal bleeding, 12:45 delivered a male newborn, normal development, weight