title: Clinical experience with microdose D-norgestrel as an oral contraceptive.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000139:chemically induced*; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects; D011247:Pregnancy; D011275:Pregnancy, Unwanted
chemical_list: D009644:Norgestrel