患者 2 6岁 ,住院号 7730。因孕 3产 2孕 32周 ,无痛性阴道出血 1d ,于 2 0 0 3年 7月 18日急诊入院。既往有剖宫产手术史。B超提示 :胎盘附着子宫下段前后左右壁 ,完全盖过宫口 ,胎盘面积较大。入院检查 :生命体征平稳 ,轻度贫血貌。产科检查 :宫高 30cm ,腹高 92cm ,先露头、 Patient 26 years old, hospital number 7730. Pregnancy 3 2 weeks pregnant 32 weeks, painless vaginal bleeding 1d, on July 18, 2003 emergency admission. Past history of cesarean section. B-Tip: The placenta attached to the lower uterine wall around the right and left completely covered the cervix, a larger area of ​​the placenta. Admission examination: stable vital signs, mild anemia appearance. Obstetric examination: Gong Gao 30cm, abdominal height 92cm, first outcrop,