产后出血是指产后 2 h 阴道出血量超过40 0 ml。产后出血仍为我国孕产妇的首要死亡原因 ,特别在农村及边远地区更为严重。为了进一步探讨缩短第 3产程 ,减少产后出血量的有效方法 ,作者总结肌肉注射与宫壁注射催产素减少产后出血的临床效果。现将结果报道如下。1　临床资料　　 Postpartum hemorrhage refers to 2 h postpartum vaginal bleeding more than 40 0 ​​ml. Postpartum hemorrhage is still the leading cause of maternal death in China, especially in rural areas and remote areas. In order to further explore the shortening of the third stage of labor and reduce the effective method of postpartum hemorrhage, the authors concluded that intramuscular injection of oxytocin and reduce the clinical effect of postpartum hemorrhage. The results are reported below. 1 clinical data