title: Block of gonadotropic activity with a long-acting estroprogestogen.
mesh_terms: D000293:Adolescent; D000328:Adult; D002582:Cervix Mucus / Q000187:drug effects*; D003692:Delayed-Action Preparations; D004341:Drug Evaluation; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D007986:Luteinizing Hormone / Q000652:urine*; D008525:Medroxyprogesterone / Q000031:analogs & derivatives* / Q000494:pharmacology; D008598:Menstruation / Q000187:drug effects*; D010060:Ovulation / Q000187:drug effects*
chemical_list: D003692:Delayed-Action Preparations; D004958:Estradiol; D007986:Luteinizing Hormone; D008525:Medroxyprogesterone