title: Clinical study of a continuous daily micro-dose progestogen contraceptive--d-norgestrel.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D001835:Body Weight; D002582:Cervix Mucus / Q000187:drug effects; D003464:Culdoscopy; D004717:Endometrium / Q000473:pathology; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances; D009644:Norgestrel / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects; D011276:Pregnanediol / Q000652:urine; D012959:Socioeconomic Factors; D014626:Vaginal Smears
chemical_list: D009644:Norgestrel; D011276:Pregnanediol