Progestin challenge: Progestin challenge, or progesterone withdrawal test is a test used in the field of obstetrics and gynecology in order to evaluate a patient who is experiencing amenorrhea. Due to readily available assays to measure serum estradiol levels, this test is now rarely used.Promegestone: Promegestone (INN) (brand name Surgestone), also known as 17α,21-dimethyl-19-nor-Δ4,9-pregnadiene-3,20-dione, is a 19-norprogesterone derivative and steroidal progestin which was introduced in 1983 and is marketed in France, Portugal, and Argentina. Indications include gynaecological conditions caused by luteal insufficiency, including premenopausal disorders, dysmenorrhea, and premenstrual syndrome.Medroxyprogesterone: Medroxyprogesterone (INN, BAN), also known as 17α-hydroxy-6α-methylprogesterone, and abbreviated as MP, is a steroidal progestin drug which was never marketed for use in humans. An acylated derivative, medroxyprogesterone acetate (MPA), is clinically used as a pharmaceutical medicine.Norethisterone acetateEstrogenProgesterone receptor: The progesterone receptor (PR, also known as NR3C3 or nuclear receptor subfamily 3, group C, member 3), is a protein found inside cells. It is activated by the steroid hormone progesterone.NorgestrelUlipristal acetateLevonorgestrelDeflazacortCongenital estrogen deficiency: Congenital estrogen deficiency is a genetic condition by which the body is unable to produce or use estrogens.DesogestrelGestodeneMifepristoneEstradiol cypionate: Estradiol cypionate (INN, USAN) (brand names Depo-Estradiol, Depofemin, Estradep, and many others), or estradiol cipionate, is a synthetic ester, specifically the 3-cyclopentylpropanoyl ester, of the natural estrogen, estradiol. It was first introduced in 1952 by Upjohn in the United States, and has been in widespread use since.Mestranol/norethynodrel: Mestranol/norethynodrel was the first combined oral contraceptive pill (COCP) being mestranol and norethynodrel (INNs). It sold as Enovid in the United States and as Enavid in the United Kingdom.Hormone replacement therapy (menopause)Contraceptive implant: A contraceptive implant is a type of birth control. It is a small flexible tube measuring about 40mm in length which is inserted under the skin (typically in the upper arm) by a health care professional.Endometrial hyperplasiaOral contraceptive pill: Oral contraceptives, abbreviated OCPs, also known as birth control pills, are medications taken by mouth for the purpose of birth control.MoxestrolLynestrenolEndometrium: The endometrium is the inner mucous membrane of the mammalian uterus.DydrogesteroneDrospirenoneChlormadinone: Chlormadinone (INN, BAN) is a steroidal progestin which was never marketed. An acylated derivative, chlormadinone acetate, is used clinically used as a pharmaceutical drug.Cyproterone acetateMelengestrol acetate: Melengestrol acetate (INN, USAN), sometimes abbreviated as MGA, is a steroidal progestin and antineoplastic agent. It is not approved for use in humans, and is instead used as a feed additive to promote growth in cattle, a purpose it is licensed for in the United States and Canada.MegestrolNorth American Menopause SocietyRobert Kupperman: Robert Harris Kupperman (May 12, 1935 – November 24, 2006) was an American government official and academic, and a leading expert on terrorism.NandroloneControlled internal drug release: Controlled internal drug release (CIDR) devices are used in livestock for the synchronization of estrus. They are T-shaped devices with a silicone-coated nylon core.Breast cancer classification: Breast cancer classification divides breast cancer into categories according to different schemes, each based on different criteria and serving a different purpose. The major categories are the histopathological type, the grade of the tumor, the stage of the tumor, and the expression of proteins and genes.Flurogestone acetateMale contraceptive: Male contraceptives are methods of preventing pregnancy that primarily involve the male physiology. The most common kinds of male contraception include condoms, withdrawal / pulling out, outercourse,http://www.Org 21465: Org 21465 is a synthetic neuroactive steroid, with sedative effects resulting from its action as a GABAA receptor positive allosteric modulator. It is similar to related drugs such as Org 20599, and was similarly developed as an improved alternative to other sedative steroids such as althesin and allopregnanolone, which despite its superior properties in some respects has not proved to offer enough advantages to be accepted into clinical use.Hormone receptor positive breast tumor: A hormone-receptor-positive tumor is a tumor which consists of cells that express receptors for certain hormones. The term most commonly refers to estrogen receptor positive tumors (i.MestranolNeuroactive steroid: Neuroactive steroids, also known as neurosteroids, are endogenous or exogenous steroids that rapidly alter neuronal excitability through interaction with ligand-gated ion channels and other cell surface receptors. The term neurosteroid was coined by the French physiologist Étienne-Émile Baulieu and refers to steroids synthesized in the brain.Hysterectomy Educational Resources and Services (HERS) FoundationPregnenolone sulfateSteroid use in Bollywood: The use of steroids by Bollywood actors has become highlighted in a number of newspaper and web articles where actors and models with previously very thin physiques have in a short period of time developed muscular bodies.Uterus transplantation: The uterine transplant is the surgical procedure whereby a healthy uterus is transplanted into a female organism of which the uterus is absent or diseased. As part of normal mammalian sexual reproduction, a diseased or absent uterus does not allow normal embryonic implantation, effectively rendering the female infertile.PregnanediolPregnatriene: A pregnatriene is a triene derivative of a pregnane.TrenbolonePrenatal nutrition: Nutrition and weight management before and during :pregnancy has a profound effect on the development of infants. This is a rather critical time for healthy fetal development as infants rely heavily on maternal stores and nutrient for optimal growth and health outcome later in life.Corpus luteum cystMenstruation (mammal): Menstruation in mammals is the shedding of the uterine lining (endometrium). It occurs on a regular basis in sexually reproductive-age females of certain mammal species.GamendazoleDimethisteroneExcess ovarian androgen release syndrome: Excess ovarian androgen release syndrome (also known as "Ovarian SAHA syndrome")is a cutaneous condition usually seen in young women between the ages of 16 and 20.Irregular menstruation: Irregular menstruation is a menstrual disorder whose manifestations include irregular cycle lengths as well as metrorrhagia (vaginal bleeding between expected periods).Bufotalin