title: Athletic amenorrhea.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000209:etiology* / Q000503:physiopathology / Q000628:therapy; D004032:Diet; D004967:Estrogens / Q000502:physiology / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008598:Menstruation; D009839:Oligomenorrhea / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D005082:Physical Exertion; D013177:Sports; D013315:Stress, Psychological / Q000503:physiopathology; D013851:Thinness / Q000209:etiology / Q000503:physiopathology
chemical_list: D004967:Estrogens