Fabrication and testing of vaginal contraceptive devices designed for release of prespecified dose levels of steroids.
D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D009640:Norethindrone / Q000494:pharmacology*; D009644:Norgestrel / Q000494:pharmacology*; D011374:Progesterone / Q000494:pharmacology*
D009644:Norgestrel; D011374:Progesterone; D009640:Norethindrone