__NOTOC__ A<unk> , also known as a<unk> -hormone receptor modulator, is a type of<unk><unk>  which specifically modulates the effects of<unk>  hormones and of their biological targets, the<unk>  hormone receptors. The<unk>  hormones include androgens such as testosterone, estrogens such as estradiol, and progestogens such as progesterone.<unk> s may be either steroidal or nonsteroidal in chemical structure and may serve to either enhance, inhibit, or have mixed effects on the function of the<unk>  hormone systems.<unk> s are used in medicine for a variety of purposes including hormone therapy (e.g., menopausal hormone therapy, androgen replacement therapy, transgender hormone therapy), antihormone therapy (e.g., androgen deprivation therapy, estrogen deprivation therapy), and<unk>  contraception, among others.
Sex-hormonal agent
Antiandrogen
Antiestrogen
Antiprogestogen
Phytoestrogen
Puberty blocker
Thyroid blocker
Prolactin modulator