title: Contraception with a daily low-dose progestogen: quingestanol acetate.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects; D009649:Norpregnadienes / Q000008:administration & dosage; D011247:Pregnancy; D011372:Progestins / Q000008:administration & dosage*
chemical_list: D003276:Contraceptives, Oral; D009649:Norpregnadienes; D011372:Progestins