Progesterone is a female sex hormone that plays many important roles in reproduction, including the thickening of the lining of the uterus during the menstrual cycle; and during pregnancy, the functioning of the placenta, and the initiation of labor.
- 1 Information about Progesterone
- 2 Clinical use of Progesterone
- 3 Liver safety of Progesterone
- 4 Mechanism of action of Progesterone
- 5 List of Progesterone
- 6 Side effects of Progesterone
- 7 Obstetrical and Gynecological Agents
- 8 Cost and Coupons - Progesterone
- 9 Reviews for Progesterone
- 10 Articles on Progesterone
- 11 Learn more about Progesterone
- 12 Help WikiMD
Information about Progesterone
Progesterone is the naturally occurring hormone that is actively secreted by the ovary and interacts with progesterone receptors in the reproductive tract, mammary gland and central nervous system.
Clinical use of Progesterone
Progesterone and the progestins have been used alone or in combination with estrogens in oral contraceptives, as therapy of postmenopausal symptoms, for secondary amenorrhea, abnormal uterine bleeding, endometriosis and progesterone sensitive cancers.
Liver safety of Progesterone
High doses of progestins can cause liver test abnormalities and can occasionally lead to clinical apparent acute liver injury. == Liver safety of Progesterone ==
Mechanism of action of Progesterone
Progesterone (proe jes' ter one) is the naturally occurring progestin which is secreted by the ovary and has a multitude of actions on many organs, but predominantly on the reproductive tract, mammary glands and central nervous system. Large amounts of progesterone are produced in women by the corpus luteum during the second half of the menstrual cycle, which inhibits the effects of estrogen on endometrial proliferation and results in a secretory status of the endometrium in preparation for implantation of a fertilized egg. If pregnancy does not occur, the corpus luteum regresses and levels of progesterone fall, triggering menstruation and resetting of the ovarian cycle. Progesterone also affects mammary glands and is required for their development and maintenance and, in the central nervous system, increases body temperature and ventilator responses. Progesterone also has androgenic and antiestrogenic effects and causes an increase in basal insulin levels, enhances fat deposition and decreases bone turnover. Modifications of the progesterone molecule can produce compounds with better absorption and pharmacokinetics and more focused and specific activities. Progestins are compounds with biological activities similar to progesterone.
List of Progesterone
Progestins developed for clinical use include desogestrel, dydrogesterone, levonorgestrel, medroxyprogesterone, megestrol, 19-nortestosterone, norethindrone, norgestrel and norgestimate, among others. Many of these progestins are used in combination with estrogens in oral contraceptives. In addition, some are used alone as contraceptive agents and to treat secondary amenorrhea, abnormal uterine bleeding, endometriosis, infertility and premature labor. Progestins have also been used to treat progesterone sensitive cancers (endometrial, renal, breast), and as therapy of anorexia and cachexia due to cancer chemotherapy or the acquired immunodeficiency syndrome (AIDS). Progestins used without estrogens include (with common brand names and year of approval in the United States): medroxyprogesterone (Provera and others: 1959), megestrol (Megase: 1971) and norethindrone (Camila, Errin, Micronor, Aygestin: 1973).
Side effects of Progesterone
Obstetrical and Gynecological Agents
Cost and Coupons - Progesterone
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Reviews for Progesterone
Articles on Progesterone
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