目的 观察安列克联合缩宫素和益母草预防前置胎盘产后出血的疗效。方法 选取2015年9月—2017年4月西安唐城医院收治的前置胎盘、胎头位妊娠孕妇80例作为研究对象，按随机数字表法分为观察组和对照组各40例。观察组给予安列克、缩宫素和益母草联合用药预防前置胎盘产后出血，对照组给予缩宫素和益母草联合用药。比较两种用药方案孕妇的出血量、术中出血控制总有效率和不良反应发生情况。结果 观察组术中出血量明显少于对照组，差异有统计学意义（P<0.05）；术后2 h和24 h，两组的出血量比较差异不具有统计学意义。两组产妇术中出血控制总有效率比较，差异不具有统计学意义，但观察组略高于对照组。两组不良反应发生率比较，不具有统计学意义。结论 安列克和缩宫素联合益母草比单独缩宫素联合益母草预防前置胎盘产后出血的疗效好并且安全，值得临床推广。

Objective To compare the curative effect of Ann lek or oxytocin combined with motherwort in the prevention of placenta previa postpartum hemorrhage.Methods Fetal head pregnant women with placenta previa 80 (cases) from September 2015 to April 2017 in our hospital were as research objects. And they were divided into Ann lek group (40 cases) and oxytocin group (40 cases) according to random number table method. Ann lek group were given Ann lek, oxytocin and motherwort in the prevention of placenta previa postpartum hemorrhage, and oxytocin group were given oxytocin and motherwort. The bleeding, intraoperative bleeding control total effect rate and adverse reactions of two groups were compared.Results The intraoperative bleeding of Ann lek group was significantly less than that of oxytocin group (P<0.05). After 2 h and 24 h postoperatively, the bleeding of two groups had no significant difference. The intraoperative bleeding control total effect rate of two groups had no significant difference, but Ann lek group was slightly higher than that of oxytocin group. The adverse reactions rate of two groups had no significant difference. Conclusion The curative effect of Ann lek and oxytocin combined with motherwort in the prevention of placenta previa postpartum hemorrhage is better than oxytocin alone combined with motherwort and is safe. It is worthy of clinical promotion.