各期妊娠(早、中、晚期)引产术(简称引产术)的成功,B超检查非常重要,它能给临床提供多方面的依据,如确定胎位,预测胎龄,观察胎盘附着部位、羊水池深度,胎儿发育状况及选择穿刺点,确定引产方式、产后宫腔探查等,从而提高引产成功率,减少并发症。我院2004年7月至2008年12月对1686例孕妇在引产术前行B超检查,其中239例在产后作了宫腔探查,现总结如下。l资料与方法1.1一般资料孕妇年龄17～49岁,孕11～38周。初孕 The success of induction of labor in each phase of pregnancy (early, middle and late), B-ultrasound is very important, it can provide clinical basis, such as determining the fetal position, predicting gestational age, observing the placental attachment site, sheep Pool depth, fetal development and the choice of puncture point to determine the induction of labor, postpartum uterine exploration, so as to improve the success rate of induction of labor and reduce complications. Our hospital from July 2004 to December 2008 1686 cases of pregnant women before the induced abortion B-ultrasound, of which 239 cases made in the postpartum uterine exploration, are summarized as follows. l Materials and Methods 1.1 General Information Pregnant women aged 17 to 49 years old, pregnant 11 to 38 weeks. First pregnancy