作者对临产的产妇在第三产程早期给予自然米索前列醇 4 0 0 μｇ口服 ,以预防产后出血 ,其结果报道如下。1　资料和方法1.1　研究对象　选择本院 1999年 5月至 1999年 11月足月妊娠 ,正常分娩 ,单胎头位无妊娠并发症或合并症 ,未用过前列腺素抑制剂的自然临产产妇 2 16例 ,随机 The author of the delivery of the mother in the early third trimester of natural misoprostol 400o oral, to prevent postpartum hemorrhage, the results reported below. 1 Materials and Methods 1.1 Subjects Select our hospital from May 1999 to November 1999 full-term pregnancy, normal childbirth, single-head no pregnancy complications or complications, no use of prostaglandin inhibitors of natural parturient 2 16 cases, randomized