近年来，国内外已有大量临床资料证实，联合应用米非司酮和米索前列醇，是一安全、经济、有效的终止早孕的方法[1-2]。但此种用药方法是否适用于中期妊娠引产，尚在探讨之中，其中对用药方法、用药剂量、给药途径等，仍在不断探索，以期找到一种最佳方案。我院自1994年4月至199 In recent years, a large number of clinical data both at home and abroad have confirmed that the combination of mifepristone and misoprostol is a safe, economical and effective method to terminate early pregnancy [1-2]. However, whether this method is suitable for induction of labor in the second trimester of pregnancy is still under discussion, of which the method of administration, dosage, route of administration and so on, are still continuing to explore in order to find the best solution. Our hospital from April 1994 to 199