title: Effect of a once weekly oral contraceptive upon gonadotrophin and gonadal steroid levels.
mesh_terms: D000328:Adult; D001667:Binding, Competitive; D003276:Contraceptives, Oral / Q000008:administration & dosage* / Q000494:pharmacology; D004958:Estradiol / Q000097:blood; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D006062:Gonadotropins / Q000378:metabolism*; D006067:Gonanes / Q000008:administration & dosage* / Q000494:pharmacology; D006801:Humans; D006914:Hydroxysteroids / Q000008:administration & dosage / Q000494:pharmacology; D007664:Ketosteroids / Q000008:administration & dosage / Q000494:pharmacology; D007986:Luteinizing Hormone / Q000097:blood; D010053:Ovary / Q000187:drug effects; D010060:Ovulation / Q000187:drug effects*; D010902:Pituitary Gland / Q000187:drug effects*; D011374:Progesterone / Q000097:blood; D011485:Protein Binding; D011863:Radioimmunoassay
chemical_list: D003276:Contraceptives, Oral; D006062:Gonadotropins; D006067:Gonanes; D006914:Hydroxysteroids; D007664:Ketosteroids; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone