Etonogestrel is a steroidal progestin used in hormonal contraceptives most notably the subdermal implant Nexplanon and the vaginal ring NuvaRing.Etonogestrel is the active metabolite of the inactive prodrug desogestrel one of two third-generation progestins found in some epidemiological studies of combined oral contraceptive pills to be associated with a higher risk of venous thrombosis than combined oral contraceptive pills containing certain second-generation progestins.
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