AMH and hyperpituitarism: AMH level was lower (3.57 ± 1.7 vs. 3.22 ± 3.14 ng/ml; p = 0.025), and prolactin level was slightly higher (14.17 ± 4.92 vs. 21.69 ± 14.3, p = 0.007) in patients with hyperprolactinaemia, both within the normal range.