A D-norgestrel-releasing IUD.
D000328:Adult; D003692:Delayed-Action Preparations; D004717:Endometrium / Q000187:drug effects; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects; D008599:Menstruation Disturbances / Q000139:chemically induced; D009644:Norgestrel / Q000009:adverse effects / Q000097:blood / Q000494:pharmacology; D011374:Progesterone / Q000097:blood; D012826:Silicone Elastomers
D003692:Delayed-Action Preparations; D012826:Silicone Elastomers; D009644:Norgestrel; D011374:Progesterone; D004958:Estradiol