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Dienogest is an orally-active semisynthetic progestogen which also possesses the properties of 17?-hydroxyprogesterone. It is a derivative of 19-nortestosterone and has antiandrogenic properties. It is primarily used as a contraceptive in combination with eth…
Naturally or synthetically produced steroid estrogens have a wide range of pharmaceutical uses ranging from hormonal contraception to the treatment of menopausal symptoms.[L33184] Estetrol (E4) is a native estrogen occurring naturally during pregnancy, but ca…
Ethinylestradiol was first synthesized in 1938 by Hans Herloff Inhoffen and Walter Hohlweg at Schering.[A191107] It was developed in an effort to create an estrogen with greater oral bioavailability.[A191107] These properties were achieved by the substitution…
Gestodene is a progestogen hormonal contraceptive. Products containing gestoden include Meliane, which contains 20 mcg of ethinylestradiol and 75 mcg of gestodene; and Gynera, which contains 30 mcg of ethinylestradiol and 75 mcg of gestodene.
Norgestimate was first described in the literature in 1977.[A191068] It was developed by Ortho Pharmaceutical Corporation as part of an effort to develop new hormonal contraceptives with reduced adverse effects.[A191068] It is commonly formulated with [ethiny…