仅用孕酮(黃體素)的避孕法屬於荷爾蒙避孕法中的一種,(另一種荷爾蒙避孕法是會用孕酮和雌激素)。僅含孕酮的避孕藥劑不會增加血栓的發生風險,因此可以使用於曾經有過靜脈血栓病史的女性。[1][2]。
仅用孕酮的避孕法有以下幾種:
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: 不包括環境雌激素(例如植物雌激素和黴菌雌激素)。完整環境雌激素見此(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.