Estrogen (British English: oestrogen; see spelling differences) is a category of sex hormone responsible for the development and regulation of the female...

Estrogen receptors (ERs) are a group of proteins found inside cells. They are receptors that are activated by the hormone estrogen (17β-estradiol). Two...

caused by low levels of female sex hormones (e.g. estrogens) that occur during menopause. Estrogens and progestogens are the main hormone drugs used in...

Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their...

An estrogen (E) is a type of medication which is used most commonly in hormonal birth control and menopausal hormone therapy, and as part of feminizing...

Conjugated estrogens (CEs), or conjugated equine estrogens (CEEs), sold under the brand name Premarin among others, is an estrogen medication which is...

the growth of breast tissue as a result of a hormone imbalance between estrogens and androgens. Gynecomastia can cause significant psychological distress...

An estrogen patch, or oestrogen patch, is a transdermal delivery system for estrogens such as estradiol and ethinylestradiol which can be used in menopausal...

production of estrogen or block the action of estrogen on receptors. In contrast to premenopausal women, in whom most of the estrogen is produced in...

Estrogen dominance (ED) is a theory about a metabolic state where the level of estrogen outweighs the level of progesterone in the body. This is said...

Vaginal estrogen is a form of estrogen that is delivered by intravaginal administration. Vaginally administered estrogens are thereby exerting their effects...

Estradiol (E2), also spelled oestradiol, is an estrogen steroid hormone and the major female sex hormone. It is involved in the regulation of female reproductive...

This is a list of steroidal estrogens or derivatives of estradiol, estrone, and estriol. Most esters of these estrogens are not included in this list;...

Selective estrogen receptor modulators (SERMs), also known as estrogen receptor agonist/antagonists (ERAAs), are a class of drugs that act on estrogen receptors...

Estrogen receptor alpha (ERα), also known as NR3A1 (nuclear receptor subfamily 3, group A, member 1), is one of two main types of estrogen receptor, a...

Xenoestrogens are a type of xenohormone that imitates estrogen. They can be either synthetic or natural chemical compounds. Synthetic xenoestrogens include...

Bazedoxifene/conjugated estrogens, sold under the brand name Duavee in the US and Duavive in the EU, is a fixed-dose combination medication for the treatment...

by estrogen. This hormone activates the development of breast throughout puberty, menstrual cycles and pregnancy. The imbalance between estrogen and...

include antiestrogens or estrogen blockers such as selective estrogen receptor modulators (SERMs) like tamoxifen, selective estrogen receptor degraders like...

An estrogen conjugate is a conjugate of an endogenous estrogen. They occur naturally in the body as metabolites of estrogens and can be reconverted back...

by changes to hormone levels, such as an increase in progesterone and estrogen levels, decrease in gonadotropins such as follicle-stimulating hormone...

controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance...

Estrogen receptor beta (ERβ) also known as NR3A2 (nuclear receptor subfamily 3, group A, member 2) is one of two main types of estrogen receptor—a nuclear...

cancer Estrogen deprivation therapy for women with estrogen receptor-positive breast cancer High-dose estrogen therapy for women with estrogen receptor-positive...

bioidentical estrogen, or an agonist of the estrogen receptor, the biological target of estrogens like endogenous estradiol. Due to its estrogenic activity...

An estrogen synthesis inhibitor is a type of drug which inhibits the enzymatic synthesis of estrogens, such as estradiol. They include: Aromatase inhibitors...

estradiol is an endogenous estrogen hormone produced within the body, whereas ethinylestradiol is an exogenous synthetic estrogen, commonly used in birth...

inflammation of the vagina as a result of tissue thinning due to not enough estrogen. Symptoms may include pain with sex, vaginal itchiness or dryness, and...

Estrogen insensitivity syndrome (EIS), or estrogen resistance, is a form of congenital estrogen deficiency or hypoestrogenism which is caused by a defective...

Tamoxifen, sold under the brand name Nolvadex among others, is a selective estrogen receptor modulator used to prevent breast cancer in women and men. It is...