Products Desogestrel is commercially available as a monopreparation in the form of film-coated tablets (Cerazette, 75 µg, generic). The active ingredient was approved in the 1980s. In 2014, generic versions were registered for the first time in many countries. Structure and properties Desogestrel (C22H30O, Mr = 310.5 g/mol) exists as a white crystalline powder that … Desogestrel: Drug Effects, Side Effects, Dosage and Uses
Products In many countries, the Implanon contraceptive implant with the active ingredient etonogestrel is on the market. It is 4 cm long, 2 mm in diameter, and has been approved since 1999. Structure and properties Etonogestrel (3-keto-desogestrel, C22H28O2, Mr = 324.5 g/mol) is the biologically active metabolite of desogestrel (Cerazette), a progestin derived from 19-nortestosterone. … Contraceptive Sticks
Contraceptive methods Hormonal methods: Oral contraceptives (birth control pills). Three-month injection (Depo-Provera). Contraceptive rod (Implanon) Contraceptive ring (NuvaRing) Contraceptive patch (Evra, Lisvy) “Morning-after pill”: levonorgestrel (NorLevo, generics), ulipristal acetate (ellaOne). Progestogen coil Testosterone for men (not approved) Mechanical methods: Male condoms Condoms for the woman Diaphragms Cervical cap Vaginal douche Chemical methods: Spermicides, such as … Contraceptives
Depending on the composition of the hormones, such agents prevent ovulation (“ovulation inhibitors”), thicken the mucus in the cervix and thus make it more difficult for sperm to penetrate, or prevent the implantation of the egg in the uterus. In recent years, a number of alternatives have been developed in addition to the classic “birth … Contraceptive Methods: Hormonal Contraception
