Blood levels of levonorgestrel in women following vaginal placement of contraceptive pills.
D000042:Absorption; D000328:Adult; D003270:Contraceptive Agents / Q000008:administration & dosage* / Q000097:blood; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000097:blood; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D016912:Levonorgestrel; D008598:Menstruation; D009644:Norgestrel / Q000008:administration & dosage / Q000097:blood*; D010060:Ovulation / Q000187:drug effects; D011374:Progesterone / Q000097:blood; D014621:Vagina / Q000378:metabolism
D003270:Contraceptive Agents; D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D011374:Progesterone; D004958:Estradiol; D016912:Levonorgestrel