Estrogen is a group of female sex hormones responsible for producing female secondary sex characteristics, such as breasts (see gynecomastia for men), curves, and wide hips, as well as regulating the menstrual cycle.
Estrogen includes three major hormones: estrone, estradiol, and estriol, the most significant being estradiol.
This tag can be used on any post that depicts feminizing hormonal drugs, including antiandrogens and progestogens.
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