仅用孕酮(黄体素)的避孕法属于荷尔蒙避孕法中的一种,(另一种荷尔蒙避孕法是会用孕酮和雌激素)。仅含孕酮的避孕药剂不会增加血栓的发生风险,因此可以使用于曾经有过静脉血栓病史的女性。[1][2]。
仅用孕酮的避孕法有以下几种:
Note: Though not listed here, many anabolic steroids can also be estrogenic as they can be aromatized into estrogen-like metabolites that possess estrogenic activity.
脚注: 不包括环境雌激素(例如植物雌激素和霉菌雌激素)。完整环境雌激素见此(英语:Template:Xenoestrogens)。
Note: 5α-reductase and 21-hydroxylase(英语:21-hydroxylase) inhibitors may also affect estrogen levels as they prevent metabolism of estrogen steroid precursors.