妊娠２０周后至胎儿娩出前 ,正常位置的胎盘部分或全部从子宫壁剥离称胎盘早期剥离 ,简称胎盘早剥。它是产科一种严重并发症 ,往往起病急、进展快 ,如处理不及时可危及母子生命安危。因此 ,及早发现和处理非常重要。胎盘早剥的临床症状及体征取决于早剥的面积以及出血量的多少 20 weeks after pregnancy to the fetus before delivery, part or all of the normal position of the placenta from the uterine wall stripping said placental early stripping, referred to as placental abruption. It is a serious complication of obstetrics, often acute onset, rapid progress, such as treatment can not endanger the safety of mother and child life. Therefore, early detection and handling are very important. The clinical signs and symptoms of placental abruption depend on the area of ​​the abruption and the amount of bleeding