Objective To explore the preventive effect of misoprostol on postpartum hemorrhage.Methods 100 pregnant women were randomly divided into experimental and control group,each consisting of 50 cases.After delivery of cesarean section,the experimental group was orally given misoprostol 400μg and oxytocins 10u was injected into uterus body,while for the control group,oxytocins 10u was injected into uterus body immediately after delivery and 20u into vein.The hemorrhage amount within two hours was observed.Resu...