title: Bleeding and serum d-norgestrel, estradiol and progesterone patterns in women using d-norgestrel subdermal polysiloxane capsules for contraception.
mesh_terms: D003270:Contraceptive Agents / Q000494:pharmacology*; D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects*; D009644:Norgestrel / Q000097:blood* / Q000494:pharmacology*; D011374:Progesterone / Q000097:blood*
chemical_list: D003270:Contraceptive Agents; D009644:Norgestrel; D011374:Progesterone; D004958:Estradiol