Description_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Etonogestrel is a lipophilic molecule. Pharmacokinetics studies reveal that etonogestrel is bound to protein albumin in the blood. This remains independent of both endogenous and exogenous concentration of estradiol._x000D_ Etonogestrel is a third-generation progestin contraceptive. Etonogestrel is used as a contraceptive itself and is also the active metabolite of the drug desogestrel used in some combination contraceptives._x000D_ Features and Benefits_x000D_ This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.