The relevant hormone determining results show: Prolactin (PRL), estradiol (E2) and progesterone (P) content in serum have regularly changed during reproductive and nonreproductive phase.

血清中垂体泌乳素(PRL)、雌(E2)孕酮(P)含量在生殖期非生殖期呈现规性变化。

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，这种通过渗透释放雌激素孕激素的贴膜是一种处方类药物。