research EP1729 - LBA_ECE_1452 - When PCOS is not PCOS: a diagnostic pitfall of non-classical congenital adrenal hyperplasia
This case report highlights that non-classical congenital adrenal hyperplasia can mimic polycystic ovary syndrome, stressing the need for ACTH-stimulated testing when basal 17-hydroxyprogesterone is elevated in women with hyperandrogenic features.

