剖宫产术中出血是剖宫产术最常见且重要的并发症 ,应予重视。处理不及时或措施不力均可威胁产妇生命。肉眼估计的出血量往往低于实际出血量 ,上海产后出血研究协作组精确测量剖宫产产后 2 4h内的出血量为 (4 94 34±2 11 16 )mL[1] ,主要是术中出血 ,所测出血量为目测法的2 4 Cesarean section bleeding is the most common and important complication of cesarean section should be valued. Incompetent or poor measures can threaten the lives of mothers. The amount of blood loss estimated by the naked eye is often lower than the actual amount of bleeding. The Shanghai Postpartum Hemorrhage Collaborative Group accurately measured the amount of bleeding within 24 hours after cesarean section (4 94 34 ± 2 11 16) mL [1], mainly due to intraoperative bleeding The measured blood volume was 24 for visual inspection