title: [Character of the menstrual cycle in adolescence].
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008572:Menarche; D008598:Menstruation
vernacular_title: Obiljezja menstruacijskog ciklusa u adolescentnom razdoblju.