(pharmacology) A progesterone receptor antagonist.

16α,17α-dihydroxyprogesterone, a steroidal progestin used as a contraceptive drug.

(pharmacology) A synthetic progestogen used to prevent threatened miscarriage, recurrent pregnancy loss and premature labour.

(pharmacology) A progestagen structurally related to trenbolone.

(pharmacology) A drug C₁₃H₁₆N₂O₂ that inhibits the production of steroids by the adrenal cortex by blocking the conversion of cholesterol to pregnenolone and is used chiefly in the treatment of Cushing's disease. It is a derivative of glutethimide and has also been used as an aromatase inhibitor to treat cancers of the breast and prostate.

An anabolic steroid.

(pharmacology) A particular progestin.

(informal) Androstenedione.

A synthetic steroidal estrogen used as a postcoital contraceptive.

The dihydroxylated active metabolite of anordrin, with similar but more potent estrogenic action.

(Internet slang, LGBT) Drugs used for hormone replacement therapy, such as estradiol valerate.

(pharmacology) A substance that blocks the production or utilization of estrogens, or inhibits their effects.

Alternative form of antiestrogen [(pharmacology) A substance that blocks the production or utilization of estrogens, or inhibits their effects.]

Synonym of antiprogestin

(biochemistry) Any substance that prevents cells from making or using progesterone.

Synonym of antiprogestin

(pharmacology) A particular selective estrogen receptor modulator.

(pharmacology) An aromatase inhibitor that blocks estrogen production in the body.

(pharmacology) A potent glucocorticoid steroid use to treat asthma.

(pharmacology) A potent glucocorticoid steroid use to treat asthma.

(pharmacology) A particular antiandrogen related to testosterone.

(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group, formerly used medically.

(pharmacology) An oral nonsteroidal antiandrogen used in the treatment of prostate cancer and hirsutism.

19-norandrostenediol, a synthetic anabolic steroid.

A synthetic analogue of prostacyclin

A synthetic, non-steroidal estrogen of the cyclohexenecarboxylic acid group, developed in the 1960s to treat prostate cancer, but never marketed.

A steroidal progestin.

A non-steroidal synthetic estrogen formerly used for the treatment of menopause, deficiencies in ovary function, and prostate cancer.

A therapeutic progestin.

An antiandrogen medication used topically to treat acne.

(pharmacology) A therapeutic progestin.

A synthetic steroid and progesterone derivative.

(pharmacology) A synthetic non-steroidal drug used to treat infertility in women by stimulating ovulation.

(pharmacology) UK and US spelling of clomifene. [(pharmacology) A synthetic non-steroidal drug used to treat infertility in women by stimulating ovulation.]

A synthetic androgenic anabolic steroid.

(pharmacology) A synthetic steroidal estrogen, an analogue of estradiol with a 2,2,2-trichloroethoxy substitution.

(pharmacology) A synthetic steroid C₂₂H₂₇ClO₃ that inhibits the action and secretion of testosterone by blocking the activity of androgen receptors.

(organic chemistry, pharmacology) The cyproterone ester of acetic acid that is an antiandrogen and progestin medication - C₂₄H₂₉ClO₄.

(pharmacology) A derivative of the synthetic steroid ethisterone that inhibits the release of gonadotropins by the pituitary gland, formerly used to treat endometriosis.

(pharmacology) A prostaglandin analogue.

(pharmacology) A progestogen.

Abbreviation of diethylstilbestrol. [(pharmacology) A synthetic estrogen drug C₁₈H₂₀O₂ used formerly to prevent miscarriage or premature delivery in humans and to promote growth in livestock. The medical use of diethystilbestrol was discontinued in the U.S. during the early 1970s due to its association with serious side effects (such as reproductive tract abnormalities and increased rates of infertility) in offspring exposed to the drug while developing in the uterus. It is no longer commercially available in the U.S. and its use is currently limited to specially compounded formulations for veterinary care.]

(pharmacology) A semisynthetic steroidal progestogen, used as an oral contraceptive in combination with ethinylestradiol.

Alternative form of diethylstilbestrol [(pharmacology) A synthetic estrogen drug C₁₈H₂₀O₂ used formerly to prevent miscarriage or premature delivery in humans and to promote growth in livestock. The medical use of diethystilbestrol was discontinued in the U.S. during the early 1970s due to its association with serious side effects (such as reproductive tract abnormalities and increased rates of infertility) in offspring exposed to the drug while developing in the uterus. It is no longer commercially available in the U.S. and its use is currently limited to specially compounded formulations for veterinary care.]

(pharmacology) A synthetic estrogen drug C₁₈H₂₀O₂ used formerly to prevent miscarriage or premature delivery in humans and to promote growth in livestock. The medical use of diethystilbestrol was discontinued in the U.S. during the early 1970s due to its association with serious side effects (such as reproductive tract abnormalities and increased rates of infertility) in offspring exposed to the drug while developing in the uterus. It is no longer commercially available in the U.S. and its use is currently limited to specially compounded formulations for veterinary care.

(pharmacology) UK spelling of diethylstilbestrol.

(pharmacology) A pregnane.

(pharmacology) A naturally-occurring prostaglandin, PGE2, with important effects in labour (softening the cervix and causing uterine contraction), sometimes used as an abortifacient.

A synthetic, non-steroidal estrogen of the doisynolic acid group; the methyl ether of bisdehydrodoisynolic acid.

A synthetic, non-steroidal, orally active estrogen, the parent compound of methallenestril, fenestrel, and carbestrol.

(pharmacology) A particular antiestrogen.

(pharmacology) A synthetic progestogen C₂₄H₃₀O₃ that is an analog of spironolactone and is used in birth control pills in combination with ethinylestradiol (trademarks Yasmin and Yaz).

(pharmacology) A steroidal progestin.

Abbreviation of estrone. [(American spelling, biochemistry, steroids, pharmacology) A natural estrogenic hormone that is a ketone C₁₈H₂₂O₂ found in the body chiefly as a metabolite of and less potent than estradiol, that is also secreted especially by the ovaries, and that is used to treat various conditions (such as ovarian failure and menopausal symptoms) relating to estrogen deficiency.]

Abbreviation of estradiol. [(American spelling, biochemistry, pharmacology) A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C₁₈H₂₄O₂) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estrogen deficiency and breast cancer.]

A gonadotropin-releasing hormone antagonist (GnRH antagonist) medication used to treat pain associated with endometriosis.

(pharmacology) Pregnanolone.

(pharmacology) The less active isomer of clomifene.

Alternative form of enclomifene [(pharmacology) The less active isomer of clomifene.]

An anabolic steroid.

(pharmacology) A steroidal estrogen.

(pharmacology) A synthetic steroidal estrogen used as an ovulation stimulant.

(pharmacology) Prostacyclin when used as a drug.

(pharmacology) An antiprogestin.

An estrogenic steroid hormone found in the urine of pregnant mares.

(pharmacology) Market name for the anabolic steroid boldenone undecylenate.

15α-hydroxyestriol, an estrogen steroid hormone produced by the human fetal liver during pregnancy only.

(pharmacology) A synthetic steroidal estrogen whose phosphate is used to counter prostate cancer.

(pharmacology) Estradiol 17-nicotinate 3-propionate, a synthetic steroidal estrogen.

(pharmacology) A synthetic steroidal estrogen.

Alternative form of oestrin [(biochemistry, now rare) An oestrogen, specifically oestrone.]

(American spelling, biochemistry, steroids, pharmacology) A relatively weak natural estrogenic hormone that is a glycol C₁₈H₂₄O₃ found in the body chiefly as a metabolite of estradiol, is the main estrogen secreted by the placenta during pregnancy, and is the estrogen typically found in the urine of pregnant women.

(slang) Clipping of estrogen. [(biochemistry, steroids) Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.]

α,α-di(p-ethoxyphenyl)-β-phenylbromoethylene, a synthetic non-steroidal estrogen of the triphenylethylene group.

(pharmacology) A steroidal estrogen.

(biology) Mimicking the action of estrogen.

Containing both estrogen and progesterone

A mixture of estrogen and progestin

Composed of estrogen and progestin

(pharmacology) UK spelling of ethinylestradiol.

(pharmacology) A progestogen hormone.

(pharmacology) An anabolic steroid with some progesterone-like activity.

A therapeutic progestin.

(pharmacology) UK and US spelling of etynodiol. [(pharmacology) A synthetic progestogen C₂₀H₂₈O₂ used especially in birth control pills usually in combination with an estrogen.]

A steroidal progestin used in hormonal contraceptives.

(pharmacology) A synthetic progestogen C₂₀H₂₈O₂ used especially in birth control pills usually in combination with an estrogen.

(pharmacology) An antineoplastic drug C₂₀H₂₄O₂ (trademark Aromasin) that is taken orally in the treatment of advanced breast cancer in postmenopausal women. It is a steroidal aromatase inhibitor that suppresses the synthesis of estrogen, a hormone that acts as a growth factor for breast cancer cells.

(pharmacology) A synthetic, non-steroidal estrogen developed as a postcoital contraceptive in the 1960s but was marketed.

(pharmacology) A synthetic retinoid derivative.

(pharmacology) A nitrogenous steroid derivative C₂₃H₃₆N₂O₂ that inhibits the conversion of testosterone to the more potent dihydrotesterone in the human prostate gland and hair follicles, used in the treatment of benign prostatic hyperplasia and male pattern baldness.

Alternative form of flumetasone [(pharmacology) A corticosteroid.]

(pharmacology) A synthetic androgen C₂₀H₂₉FO₃ that is administered orally and is used especially in the treatment of testosterone deficiency in males and in the palliative treatment of breast cancer in females.

(pharmacology) A corticosteroid.

(pharmacology) A pregnane corticosteroid.

(pharmacology) An aromatase inhibitor drug that is used to treat estrogen receptor–positive breast cancer.

(pharmacology) Diethylstilbestrol diphosphate, a synthetic non-steroidal estrogen of the stilbestrol group, used in the treatment of prostate cancer.

(pharmacology) An estrogen receptor antagonist drug.

(pharmacology) A steroidal antiandrogen under development for the treatment of prostate cancer.

(pharmacology) A steroidal progestin drug, never marketed.

(pharmacology) A progestogen hormonal contraceptive.

(pharmacology) A steroidal progestin.

A synthetic steroid hormone that acts as an antiprogestin and also has some androgenic activity.

(pharmacology) A synthetic peptide, that function as hormones that release gonadotropin, used to treat various cancers.

(pharmacology) A therapeutic progestin.

(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group, formerly used to treat estrogen deficiency.

Alternative form of hexestrol [(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group, formerly used to treat estrogen deficiency.]

(pharmacology) A selective estrogen receptor modulator used in treating osteoporosis, breast cancer, and vaginal atrophy.

(pharmacology) A nonsteroidal aromatase inhibitor C₁₇H₁₁N₅ (trademark Femara) that is administered orally to treat breast cancer in postmenopausal women.

(pharmacology) Alternative form of leuprorelin. [(pharmacology) A synthetic analog of gonadotropin-releasing hormone (trademark Eligard, Lupron) that downregulates the secretion of gonadotropins, and is administered by injection in the form of its acetate C₅₉H₈₄N₁₆O₁₂·C₂H₄O₂ to treat cancer of the prostate gland, endometriosis, uterine fibroids, and precocious puberty.]

(pharmacology) A synthetic analog of gonadotropin-releasing hormone (trademark Eligard, Lupron) that downregulates the secretion of gonadotropins, and is administered by injection in the form of its acetate C₅₉H₈₄N₁₆O₁₂·C₂H₄O₂ to treat cancer of the prostate gland, endometriosis, uterine fibroids, and precocious puberty.

(pharmacology) A synthetic progestogen used as an active ingredient in some hormonal contraceptives.

(pharmacology) An antiprogestin.

(medicine) A lipid emulsion containing dexamethasone used to treat rheumatoid arthritis

(pharmacology) A synthetic progestogen hormone.

(bodybuilding slang) The anabolic steroid Drostanolone propionate, also known as Masteron

(pharmacology) A progestin.

(pharmacology) A synthetic progesterone C₂₂H₃₂O₃ that is administered by injection as a long-acting contraceptive or is taken orally especially to treat amenorrhea and abnormal uterine bleeding and in conjunction with estrogen to relieve the symptoms of menopause and prevent osteoporosis.

(pharmacology) Synonym of medroxyprogesterone, trademark Depo-Provera.

A corticosteroid used in optometry and ophthalmology.

(pharmacology) A steroidal progestin.

(pharmacology) A steroidal progestin and antineoplastic.

(pharmacology) A glucocorticoid, a methylated derivative of prednisone.

An anabolic steroid.

A progesterone receptor modulator used to control endometriosis and similar disorders

(pharmacology) An androgenic steroid.

(pharmacology) A synthetic estrogen used chiefly in oral contraceptives, in combination with a progestational agent; the 3-methyl ether of ethinylestradiol, C₂₁H₂₆O₂.

Any of several metallic compounds that mimic the action of estrogen

Alternative form of methandienone [methandrostenolone]

(pharmacology) A synthetic, non-steroidal estrogen formerly used to treat menstrual problems.

Alternative form of methallenestril [(pharmacology) A synthetic, non-steroidal estrogen formerly used to treat menstrual problems.]

Alternative form of methallenestril [(pharmacology) A synthetic, non-steroidal estrogen formerly used to treat menstrual problems.]

An orally-effective anabolic steroid formerly used as a muscle growth aid by bodybuilders.

(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group.

Alternative form of methestrol [(pharmacology) A synthetic non-steroidal estrogen of the stilbestrol group.]

A semisynthetic steroidal estrogen used with normethandrone (methylestrenolone) for the treatment of menopausal symptoms.

(pharmacology) An anabolic steroid that is a methyl derivative of testosterone C₂₀H₃₀O₂, used to treat testosterone deficiency in men and breast cancer and menopause in women.

(pharmacology) Abbreviation of megestrol acetate.

(pharmacology) A steroid pharmaceutical (trademark RU-486) that inhibits the action of progesterone given orally in early pregnancy to induce abortion, or as an emergency contraceptive.

A contraceptive pill containing only synthetic progestogens (progestins), not estrogen.

(medicine) A brand name for a hormonal intrauterine device.

(pharmacology) 11β-methoxy-17α-ethinyl-1,3,5(10)-estratriene-3,17β-diol or 11β-methoxy-17α-ethinylestradiol, a synthetic steroidal estrogen used to treat menopausal symptoms.

(pharmacology) A semisynthetic anabolic steroid C₁₈H₂₆O₂ derived from testosterone that is used in the form of its ester derivatives medically especially to treat anemia associated with kidney disease and illicitly (as by athletes and bodybuilders) to increase muscle mass.

(organic chemistry) Estrogen when synthesized in the brain.

(pharmacology) A synthetic steroidal estrogen, the 3-cyclopentyl ether of 17α-ethinyl estriol.

A steroidal progestin.

An anabolic steroid.

An anabolic steroid.

(pharmacology) A progestin used as a female contraceptive.

(pharmacology) The anabolic steroid 17α-ethyl-19-nortestosterone.

(pharmacology) A synthetic steroid hormone, 19-nor-17α-ethynyltestosterone (C₂₀H₂₆O₂), which has actions similar to those of progesterone and is used chiefly for contraception.

A steroidal progestin used to treat gynecological and menstrual disorders and as an oral contraceptive.

Alternative form of norethynodrel [A steroidal progestin used to treat gynecological and menstrual disorders and as an oral contraceptive.]

(pharmacology) A synthetic progestogen C₂₃H₃₁NO₃ (trademark Ortho Tri-Cyclen) that is used in combination with an estrogen (as ethinylestradiol) in birth control pills.

(pharmacology) A therapeutic progestin.

(pharmacology) A synthetic progestogen C₂₁H₂₈O₂ having two optically active forms of which the biologically active levorotatory form is used in birth control pills.

(pharmacology) A steroidal progestin.

A particular progestin and androgen/anabolic steroid: 17α-methyl-19-nortestosterone.

A form of birth control consisting of levonorgestrel capsules implanted under the skin.

A norsteroid based on a pregnatriene.

A norsteroid based on a pregnene.

A norsteroid based on a progesterone.

A norsteroid based on a testosterone.

(pharmacology) A therapeutic progestin.

Alternative form of nilestriol [(pharmacology) A synthetic steroidal estrogen, the 3-cyclopentyl ether of 17α-ethinyl estriol.]

(British spelling) Alternative spelling of estradiol. [(American spelling, biochemistry, pharmacology) A natural estrogenic hormone that is a phenolic alcohol estra-1,3,5-triene-3,17-diol (C₁₈H₂₄O₂) secreted chiefly by the ovaries of all vertebrates, that is a major and the most potent of the naturally occurring estrogens; the semisynthetic esterified compound is used medicinally to treat estrogen deficiency and breast cancer.]

(biochemistry, now rare) An oestrogen, specifically oestrone.

(British spelling) Alternative spelling of estrogen [(biochemistry, steroids) Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.]

Alternative form of estromimetic [(biology) Mimicking the action of estrogen.]

Alternative form of estroprogestative [Containing both estrogen and progesterone]

(pharmacology) A synthetic antiprogestogen used to combat prostate cancer.

(pharmacology) A synthetic steroidal estrogen, the 3-propanoyl, 17-(1-cyclohexenyl) ether of estradiol.

(pharmacology) A selective estrogen receptor modulator.

A non-steroidal antiandrogen that was investigated as a cancer treatment but later dropped.

(pharmacology) A particular antiandrogen.

(pharmacology) A particular antiandrogen.

(pharmacology) An anabolic steroid.

(pharmacology) A synthetic anabolic steroid developed in 1960, used to treat osteoporosis and anaemia and to stimulate muscle growth in undernourished or underdeveloped patients.

(pharmacology) An antiestrogen drug.

(pharmacology) A particular bioactive steroid.

A synthetic plant progestagen

(pharmacology) Propargylestrienedione, a steroidal irreversible aromatase inhibitor developed as an antineoplastic agent for the treatment of breast cancer.

An estrogen in the form of a polymer, used for the palliative treatment of prostate cancer.

(pharmacology) Dehydroepiandrosterone.

(pharmacology) A topical corticosteroid drug.

(trademark, pharmacology) A trademark for a mixture of estrogenic compounds obtained from the urine of pregnant mares and used chiefly for estrogen replacement therapy.

(biochemistry, steroids) Any of a class of synthetic hormones which produce effects similar to progesterone (the only natural progestagen) and have antiestrogenic and antigonadotropic properties.

(biology, medicine) Similar in action to progesterone; progesterone-like.

A hoax date rape drug claimed to cause sterilization.

(biochemistry, steroids, countable) A synthetic version of the compound, used in contraceptive pills and other pharmaceutical products.

(chemistry) A synthetic progestagen intended to mimic the effects of progesterone, often for contraceptive purposes.

(biochemistry, steroids) Alternative spelling of progestagen [(biochemistry, steroids) The steroid hormone progesterone.]

(biology) Mimicking the action of progesterone.

(pharmacology) A steroidal progestin.

(pharmacology) A norsteroid progestogen.

(pharmacology) An estrogen.

A synthetic, non-steroidal agonist of ERα (estrogen receptor alpha), used in scientific research.

Any drug used to postpone puberty in children.

An anabolic steroid with weak androgenic effects.

Alternative form of quinestradol [(pharmacology) A synthetic oestrogen.]

(pharmacology) A synthetic oestrogen.

(pharmacology) A synthetic oestrogen used in hormone replacement therapy.

(pharmacology) 3-cyclopentyl norethisterone, a steroidal progestin whose acylated derivative is used as a pharmaceutical drug.

(pharmacology) A synthetic progestogen.

Alternative form of raloxifene [(pharmacology) A drug used orally in the form of its hydrochloride C₂₈H₂₇NO₄S·HCl as prophylaxis against osteoporosis after menopause.]

(pharmacology) A drug used orally in the form of its hydrochloride C₂₈H₂₇NO₄S·HCl as prophylaxis against osteoporosis after menopause.

(pharmacology) The drug mifepristone.

(pharmacology) Acronym of selective androgen receptor modulator.

A drug being investigated for the treatment of various cancers.

(biochemistry, steroids) A synthetic anabolic steroid derived from testosterone.

(pharmacology) Alternative form of diethylstilbestrol. [(pharmacology) A synthetic estrogen drug C₁₈H₂₀O₂ used formerly to prevent miscarriage or premature delivery in humans and to promote growth in livestock. The medical use of diethystilbestrol was discontinued in the U.S. during the early 1970s due to its association with serious side effects (such as reproductive tract abnormalities and increased rates of infertility) in offspring exposed to the drug while developing in the uterus. It is no longer commercially available in the U.S. and its use is currently limited to specially compounded formulations for veterinary care.]

(pharmacology) UK spelling of stilbestrol.

An oil that is injected directly into muscle to artificially increase its size.

(pharmacology) A nonsteroidal estrogen antagonist used in the treatment of postmenopausal breast cancer and infertility in women.

An inhibitor of matrix metalloproteinases, 4-(4'-chlorobiphenyl-4-yl)-4-oxo-2-[(phenylsulfanyl)methyl]butanoic acid, that is used as an anticancer drug

Alternative spelling of Tbol [(bodybuilding slang) The anabolic steroid Chlorodehydromethyltestosterone, also known as Turinabol]

(pharmacology) An investigational selective progesterone receptor modulator, tested for treatment of progesterone-sensitive myomata.

A synthetic steroid hormone drug used mainly in the treatment of endometriosis.

(pharmacology) An anabolic steroid.

A steroid used to increase muscle growth and appetite in livestock.

(pharmacology) A particular retroprogesterone.

(pharmacology) A synthetic androgen, (7α,17β)-normethandrone, used to build muscle rapidly.

(pharmacology) A steroidal progestin.

(pharmacology) A selective estrogen receptor modulator with competitive binding activity against estradiol.

(pharmacology) A selective progesterone receptor modulator used in the acetate form for emergency contraception and to treat uterine fibroids.

(pharmacology) A particular synthetic prostaglandin analogue.

(pharmacology) A particular antiestrogen drug.

Alternative form of betamethasone [(pharmacology) A potent glucocorticoid C₂₂H₂₉FO₅ that is isomeric with dexamethasone and has potent anti-inflammatory activity.]