AMH and polycystic ovary syndrome: Additionally, the balance of studies shows that AMH, could be implicated in the hyperandrogenism of PCOS as the detection of AMH type II receptor (AMHRII) in theca interna cells of maturing follicles [13] by in situ hybridization, that could lend support to a paracrine effect of AMH on these cells.Because AMH constitutes a marker for the number of small follicles, its correlation with ovarian volume and the number of follicles present in the ovary is not surprising.