<unk>  is a progestin medication which is used in birth control pills for women. It is also used in the treatment of menopausal symptoms in women. The medication is available and used alone or in combination with an estrogen. It is taken by mouth. Side effects of<unk>  include menstrual irregularities, headaches, nausea, breast tenderness, mood changes, acne, increased hair growth, and others.<unk>  is a progestin, or a synthetic progestogen, and hence is an agonist of the progesterone receptor, the biological target of progestogens like progesterone. It has very weak androgenic and glucocorticoid activity and no other important hormonal activity. The medication is a prodrug of etonogestrel (3-ketodesogestrel) in the body.<unk>  was discovered in 1972 and was introduced for medical use in Europe in 1981. It became available in the United States in 1992.<unk>  is sometimes referred to as a "third-generation" progestin. Along with norethisterone, it is one of the only progestins that is widely available as a progestogen-only "mini pill" for birth control.<unk>  is marketed widely throughout the world. It is available as a generic medication. In 2018, the version with ethinylestradiol was the 171st most commonly prescribed medication in the United States, with more than 3million prescriptions.
Desogestrel
Gestodene
Levonorgestrel
Etonogestrel
Norgestrel
Hexestrol
Chloroethynylnorgestrel
Fosfestrol