title: Prolonged secondary amenorrhoea following the use of oral contraceptives.
mesh_terms: D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced* / Q000188:drug therapy; D002996:Clomiphene / Q000627:therapeutic use; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006062:Gonadotropins / Q000627:therapeutic use; D006801:Humans
chemical_list: D003276:Contraceptives, Oral; D006062:Gonadotropins; D002996:Clomiphene