AMH and Cowden syndrome 1: The mean AMH levels in women with CS were 1.01 ng/mL (95% CI 0.82 to 1.18), and in women with VD were 1.18 ng/mL (95% CI 0.96 to 1.40) at the beginning of the study (MD: -0.17, 95% CI: − 0.45 to 0.10, P = 0.211).