Approved by the FDA in 2001, the patch is sold by prescription and releases ethinyl estradiol (a type of estrogen), and a progestin called norelgestromin via the skin into the bloodstream.
FDA在2001年就已经证实，这种通过渗透皮肤来释放雌激素和孕激素的贴膜是一种处方类药物。
体酮
词
词体酮;
;Approved by the FDA in 2001, the patch is sold by prescription and releases ethinyl estradiol (a type of estrogen), and a progestin called norelgestromin via the skin into the bloodstream.
FDA在2001年就已经证实，这种通过渗透皮肤来释放雌激素和孕激素的贴膜是一种处方类药物。
These synthetic progestins will compete with progesterone receptor binding sites and compete with progesterone rendering progesterone useless.
这些合成的
体素
体素接收器竞争，并使体素无效。
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