The pharmacology of<unk> , an estrogen medication and naturally occurring steroid hormone, concerns its pharmacodynamics, pharmacokinetics, and various routes of administration.<unk>  is a naturally occurring and bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like endogenous<unk> . Due to its estrogenic activity,<unk>  has antigonadotropic effects and can inhibit fertility and suppress sex hormone production in both women and men.<unk>  differs from non-bioidentical estrogens like conjugated estrogens and ethinylestradiol in various ways, with implications for tolerability and safety.<unk>  can be taken by mouth, held under the tongue, as a gel or patch that is applied to the skin, in through the vagina, by injection into muscle or fat, or through the use of an implant that is placed into fat, among other routes.
Pharmacokinetics of estradiol
Pharmacokinetics of progesterone
Pharmacokinetics of testosterone
Ovarian reserve
Pharmacology of cyproterone acetate
Menstrual cycle
Hypothalamic–pituitary–gonadal axis
Hypothalamic–pituitary–prolactin axis