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目的 :探讨产后出血的原因。方法 :对 4816例分娩的初产妇 ,采用弯盘、量杯收集测量产后 2小时内及术中出血量。结果 :产后出血的平均发生率为 8 0 % (385 / 4816 )。其中阴道分娩者发生出血 2 13例 ,剖宫产分娩者发生出血 172例。结果造成出血的第一位原因是子宫收缩乏力 ;第二位原因是胎盘因素 ;第三位原因是软产道撕裂和血管损伤。其次是剖宫产指征不严格 ,使剖宫产率 (2 1 5 % )增高。结论 :认真处理产程的每一个环节 ,高度重视抢救时机 ,才能防止产后出血的发生
Objective: To investigate the causes of postpartum hemorrhage. Methods: 4816 cases of primipara, using curved plate, measuring cup collected within 2 hours after delivery and intraoperative blood loss. Results: The average incidence of postpartum hemorrhage was 80% (385/4816). Among them, vaginal delivery occurred in 213 cases of bleeding, cesarean section delivery occurred in 172 cases of bleeding. Results The first cause of bleeding was uterine atony; the second was placental factors; the third was the tear of soft birth canal and vascular injury. Followed by cesarean section indications are not strict, so that cesarean section rate (21.5%) increased. Conclusion: Seriously deal with every aspect of the production process, attaches great importance to the timing of the rescue, to prevent the occurrence of postpartum hemorrhage