由于羊水量少,穿刺困难,故羊膜腔内药物引产不易成功。探讨一种简便易行、成功率高、并发症少,适宜基层推广的20周以内的中早期妊娠引产术式,有实用价值。我们根据这一目的,自1994年6月～1996年10月间对卡孕栓钳刮术进行临床研究,取得较好的效果,现总结如下: Because amniotic fluid less, puncture difficulties, it is not easy to induce amniotic drug induced labor. To explore a simple, high success rate, fewer complications, suitable for promotion at the grassroots level within 20 weeks of induction of labor in early pregnancy, has practical value. We according to this purpose, from June 1994 to October 1996 between the clamp on the curettage bolt clinically and achieved good results, are summarized as follows: