Pharmacokinetic and pharmacodynamic studies with vaginal devices releasing norethisterone at a constant, near zero order.
D000042:Absorption; D000284:Administration, Oral; D000328:Adult; D003274:Contraceptive Devices, Female; D004958:Estradiol / Q000097:blood; D005260:Female; D006207:Half-Life; D006801:Humans; D007700:Kinetics; D009640:Norethindrone / Q000008:administration & dosage* / Q000009:adverse effects / Q000097:blood; D010053:Ovary / Q000187:drug effects; D011374:Progesterone / Q000097:blood; D014592:Uterine Hemorrhage / Q000139:chemically induced; D014621:Vagina
D011374:Progesterone; D004958:Estradiol; D009640:Norethindrone