Evaluation of the Association of Endometrial Thickness, Insulin Resistance, and Menstrual Patterns in Adolescent Females with Polycystic Ovarian Syndrome.

Our findings support recommendations by the 2018 International Guidelines to avoid use of US for the establishment of PCOS diagnosis in adolescents. These results highlight the unique pathophysiology of adolescent PCOS in contrast to PCOS in adult women. Further large-scale prospective studies are needed to understand the role of EMS thickness as a prognostic marker in adolescent PCOS.