1.Method 98 pregnant women with single pregnant、vertex present were randomized into mifepristone combined with oxytoxin group (A group) and oxytoxin group (B group).
方法将98例具有引产指征的单胎、头位产妇随机分为米非司酮与催产联合应用(A)和单用催产(B)。
2.Mifepristone is an antiprogestin drug belonging to steroid ,which can bind with progesterone receptor to block pregnendione in organ level and have many effect in anti-corepus luteum;