胎盘早期早剥(以下称胎盘早剥) ,是危害母婴健康的产科严重并发症,母婴死亡率及并发症明显高于正常孕产妇组。预防和早期诊断胎盘早剥是降低围产期母婴死亡率的关键。而胎盘早剥有症状典型和症状不典型。症状典型并发症多,往往由症状不典型的胎盘早剥发展而来,所以早期诊断不典 Early placental abruption (hereinafter referred to as placental abruption) is a serious complication of maternal and child health hazards of maternal and child mortality and complications were significantly higher than the normal maternal group. Prevention and early diagnosis of placental abruption is the key to reducing perinatal maternal and infant mortality. The placental abruption symptoms typical and symptoms are not typical. Symptoms Typical complications are often developed from atypical symptoms of placental abruption, so early diagnosis of atypia