Effect of norgestrel administered intermittently on pituitary ovarian function.
D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008598:Menstruation / Q000187:drug effects; D009644:Norgestrel / Q000494:pharmacology*; D010053:Ovary / Q000187:drug effects*; D010060:Ovulation / Q000187:drug effects; D010902:Pituitary Gland / Q000187:drug effects*; D010903:Pituitary Gland, Anterior / Q000187:drug effects*; D011374:Progesterone / Q000097:blood
D009644:Norgestrel; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone