本文随机对照研究 ,观察比较米非司酮配伍米索前列醇及小剂量催产素用于足月妊娠促宫颈成熟的临床效果及对胎儿的影响 ,现分析报告如下。1　资料与方法1 1　观察对象　 1998年 2月至 1999年 12月我院产科住院的单胎、头位孕妇 ,因各种原因需要引产者 2 73例 ,随机分为两组。 2 This randomized controlled study, observed and compared mifepristone with misoprostol and small doses of oxytocin for full-term pregnancy to promote cervical ripening clinical effect and impact on the fetus, the analysis report is as follows. 1 Materials and Methods 1 1 Subjects From February 1998 to December 1999 hospitalized obstetrics and gynecology in our hospital single-child, head pregnant women, need for induced abortion for various reasons, 2 of 73 cases were randomly divided into two groups. 2