Ortho 1557-O. A new oral contraceptive.
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D006801:Humans; D008297:Male; D008599:Menstruation Disturbances / Q000139:chemically induced; D008656:Mestranol / Q000009:adverse effects; D009640:Norethindrone / Q000009:adverse effects; D010549:Personal Satisfaction; D011247:Pregnancy
D003276:Contraceptives, Oral; D008656:Mestranol; D009640:Norethindrone