INHA and polycystic ovary syndrome: ROC curve analyses were performed to determine the ability of AMH and INH-A to distinguish between adolescents with PCOS and controls (Figure 1): for AMH-AUC of 0.88, p<0.001, 95% CI: [0.80-0.96]; for inhibin-A -AUC of 0.74, p=0.001, 95% CI: [0.61-0.87], respectively.