Prolonged anovulation subsequent to oral progestins.
D015068:17-Ketosteroids / Q000652:urine; D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced*; D002715:Chlormadinone Acetate / Q000009:adverse effects*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004700:Endocrine System Diseases; D004967:Estrogens / Q000032:analysis; D005260:Female; D006065:Gonadotropins, Pituitary / Q000652:urine; D006801:Humans; D009641:Norethynodrel / Q000009:adverse effects*; D011247:Pregnancy
D015068:17-Ketosteroids; D003276:Contraceptives, Oral; D004967:Estrogens; D006065:Gonadotropins, Pituitary; D002715:Chlormadinone Acetate; D009641:Norethynodrel