多年来利凡诺羊膜腔注入引产为中期妊娠引产常用方法，我们将利凡诺与米非司酮联合用于中期引产与单用利凡诺引产比较，效果良好，现报道如下。1资料与方法一般资料 近一年在我院妇科收住院自愿要求引产的健康妇女166例，其中妊娠14～28周136例，28周以上30例，随机分为观察 For years Richeno amniotic cavity injection of induction of labor for the induction of labor in mid-pregnancy common method, we will rivanol and mifepristone combined with mid-term induction of labor and rivano induced abortion alone, the effect is good, are reported below. 1  data and methods General information nearly a year in our hospital gynecology admitted to a voluntary admission of 166 healthy women, of which 136 cases of pregnancy 14 to 28 weeks, 30 weeks more than 28 patients were randomly divided into observation