Anabolic steroids, also known more properly as anabolic–androgenic steroids (AAS), are steroidal androgens that include natural androgens like testosterone as well as synthetic androgens that are structurally related and have similar effects to testosterone.
Antiandrogens, also known as androgen antagonists or testosterone blockers, are a class of drugs that prevent androgens like testosterone and dihydrotestosterone (DHT) from mediating their biological effects in the body.
Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their biological effects in the body.
Antiprogestogens, or antiprogestins, also known as progesterone antagonists or progesterone blockers, are a class of drugs which prevent progestogens like progesterone from mediating their biological effects in the body.
An estrogen is a type of medication which is used most commonly in hormonal birth control and menopausal hormone therapy.
A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
Menopausal hormone therapy (MHT), or postmenopausal hormone therapy (PHT, PMHT), also known as hormone replacement therapy in menopause, is a form of hormone replacement therapy (HRT) which is used in postmenopausal, perimenopausal, and surgically menopausal women.
The sex hormone receptors, or sex steroid receptors, are a group of steroid hormone receptors that interact with the sex hormones, the androgens, estrogens, and progestogens, as well as with sex-hormonal agents such as anabolic steroids, progestins, and antiestrogens.
Transgender hormone therapy, also sometimes called cross-sex hormone therapy, is a form of hormone replacement therapy (HRT) in which sex hormones and other hormonal medications are administered to transgender or gender variant individuals for the purpose of more closely aligning their secondary sexual characteristics with their gender identity.
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