现代口服避孕药的非避孕用途北京协和医院妇产科田秦杰•孕激素抑制垂体分泌促性腺激素：抑制排卵;转变内膜：腺体分泌，间质蜕膜样萎缩•雌激素增生内膜:防止突破性出血；抑制垂体分泌促性腺激素COC的成分及作用孕激素分类黄体酮TrimegestoneDrosperinone屈螺酮Medroxyprogesteroneacetate(MPA)甲孕酮megestrolacetate甲地孕酮chlormadinoneacetate醋酸氯地孕酮cyproteroneacetate醋酸环丙孕酮Norethindrone(estranes)炔诺酮Norethindroneacetate(NETA)醋酸炔诺酮norethynodrel异炔诺酮lynestrenol去氧炔诺酮ethynodioldiacetate双醋炔诺酮Levonorgestrel(gonanes)左炔诺孕酮desogestrel去氧孕烯norgestimate炔诺肟脂gestodene孕二烯酮19-nortestosterone19去甲睾酮17-hydroxyprogesterone17羟孕酮19-norprogeste...
