息隐为留体类药物,无孕激素活性,但可与孕酮竞争孕酮受体。干扰子宫内膜发育,软化并扩张宫颈,促使子宫平滑肌收缩,提高子宫对前列腺索的敏感性,起到抗孕激素的作用,临床常与米索配伍用于终止早孕。本文就我站接受药流对象58例作初步总结。 Hidden interest is retained as a class of drugs, progesterone-free activity, but with progesterone competition progesterone receptor. Interfere with the development of the endometrium, soften and expand the cervix, promote uterine smooth muscle contraction, improve the sensitivity of the uterus to the prostate, play the role of anti-progesterone, clinically often associated with misoprostol for termination of early pregnancy. This article on my station to accept medical abortion object 58 cases for a preliminary summary.