title: Fertility control with norgestrel and ethynil estradiol. Report on continuing studies.
mesh_terms: D000293:Adolescent; D000328:Adult; D001835:Body Weight; D002582:Cervix Mucus; D003276:Contraceptives, Oral / Q000009:adverse effects; D004997:Ethinyl Estradiol / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects; D009644:Norgestrel / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine; D014626:Vaginal Smears
chemical_list: D003276:Contraceptives, Oral; D009644:Norgestrel; D004997:Ethinyl Estradiol; D011276:Pregnanediol