产后出血是产科最危险并发症之一,占我国孕产妇死亡原因首位[1]。胎盘植入是导致产科出血的主要原因之一,也是导致子宫切除的主要原因[2-4]。近几年我国剖宫产率的增加,导至了剖宫产术后再孕的问题,再孕时胎盘附着于原子宫切口瘢痕,由于底蜕膜缺失,胎盘植入切口部位,甚至穿透肌层,至子宫破裂出血,甚至局部部分植入(宫角及其它部位),出血增多,危及产妇生命,增加产后出血率[5,6]。总结我 Postpartum hemorrhage is one of the most dangerous complication of obstetrics, accounting for the first cause of maternal death in China [1]. Placenta accreta is one of the major causes of obstetric hemorrhage and also the leading cause of hysterectomy [2-4]. In recent years, the increase of cesarean section rate in our country leads to the problem of pregnancy after cesarean section. The placenta is attached to the scar of the uterine incision at the time of conception. Due to the lack of decidua, the placenta is implanted into the incision site and even penetrates Myometrial bleeding to the rupture of the uterus, and even partial partial implantation (Palace angle and other parts), increased bleeding, endangering maternal life and increase the rate of postpartum hemorrhage [5,6]. Summarize me