剖宫产术后晚期产后出血是剖宫产严重的并发症，其危险性大。我们对病因、诊断、治疗及预防进行了临床再认识。１病因 剖宫产术后晚期产后出血多因切口部位感染，组织坏死愈合不良，血管破裂所致。子宫切口愈合不良往往与下列因素有关：选择切口位置过低，或因切口撕裂、创口出 Postpartum hemorrhage after cesarean section is a serious complication of cesarean section, the risk of large. We have re-conceptualized the cause, diagnosis, treatment and prevention. An etiology of cesarean section late postpartum hemorrhage and more due to incision infection, tissue necrosis healing, vascular rupture. Uterine incision poor healing often associated with the following factors: Select the incision position is too low, or tear incision, wound out