<unk>  is used in hormonal contraception in women, specifically in birth control pills. It is used alone in progestogen-only pills ("mini pills") and in combination with the estrogen ethinylestradiol in combined oral contraceptive pills.<unk>  and norethisterone are the only progestins that are widely used as a progestogen-only "mini pill". It is also the only newer-generation progestin with reduced androgenic activity that is used in such formulations. In addition to hormonal contraception,<unk>  has been used in combination with estrogens such as estradiol as a component of menopausal hormone therapy. The medication has also been used in the treatment of endometriosis. Available forms<unk>  is available alone in the form of 75 μg oral tablets and at a dose of 150 μg in combination with 20 or 30 μg ethinylestradiol in oral tablets. These formulations are all indicated specifically for contraceptive purposes.
Desogestrel
Gestodene
Levonorgestrel
Etonogestrel
Norgestrel
Hexestrol
Chloroethynylnorgestrel
Fosfestrol