Prevalence of Polycystic Ovary Syndrome in Iranian Adolescent Girls Based on Adults and Adolescents' Diagnostic Criteria in Mashhad City.

Background: PCOS is a common endocrine disorder of reproductive age with high morbidity that its prevalence ranging from 5.6% to 26%. The aim of this study was to evaluate the prevalence of PCOS in Iranian adolescent girls aged 14-19 years based on adults and adolescents' criteria.