title: Amenorrhea in the adolescent athlete. Exploration of a growing phenomenon.
mesh_terms: D000273:Adipose Tissue; D000293:Adolescent; D000568:Amenorrhea / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy; D000856:Anorexia Nervosa / Q000150:complications; D001835:Body Weight; D002118:Calcium / Q000627:therapeutic use; D005260:Female; D006728:Hormones / Q000627:therapeutic use; D006801:Humans; D013008:Somatotypes; D013177:Sports; D013312:Stress, Physiological / Q000150:complications; D013315:Stress, Psychological / Q000150:complications
chemical_list: D006728:Hormones; D002118:Calcium