Etonogestrel
Etonogestrel
Etonogestrel (pronounced: eh-toh-noh-JES-trel) is a type of progestin, which is a synthetic form of the naturally occurring hormone progesterone. It is used in various forms of contraceptive methods, including the contraceptive implant and the vaginal ring.
Etymology
The term "Etonogestrel" is derived from the chemical structure of the compound, which is a 19-nortestosterone derivative. The prefix "Eto-" is derived from the chemical name "ethinyl", referring to the ethinyl group present in the molecule. The "-gestrel" suffix is common in synthetic progestins and is derived from the word "gestation", referring to the hormone's role in pregnancy.
Usage
Etonogestrel is primarily used as a contraceptive. It works by preventing ovulation, altering the cervical mucus to make it more difficult for sperm to reach the egg, and changing the lining of the uterus to prevent implantation of a fertilized egg.
It is the active ingredient in the contraceptive implant Nexplanon and the vaginal ring NuvaRing, both of which release a steady dose of etonogestrel to provide long-term contraception.
Related Terms
- Progestin: A synthetic form of progesterone, a hormone naturally produced by the ovaries.
- Progesterone: A hormone produced by the ovaries that plays a vital role in the menstrual cycle and in maintaining the early stages of pregnancy.
- Contraceptive implant: A small, thin rod that is inserted under the skin of the upper arm to provide long-term contraception.
- Vaginal ring: A flexible ring that is inserted into the vagina and releases hormones to prevent pregnancy.
- Nexplanon: A brand of contraceptive implant that releases etonogestrel.
- NuvaRing: A brand of vaginal ring that releases etonogestrel and ethinyl estradiol.
External links
- Medical encyclopedia article on Etonogestrel
- Wikipedia's article - Etonogestrel
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