Of these, 30 were excluded after title and abstract evaluation because 9 were reviews, 2 were case reports, 1 was a protocol proposal, 6 studies had different aims, 3 studies were in vitro molecular analyses or carried out on animals, two articles were case reports, 1 study did not report the AMH levels and in another three papers the AMH levels were only reported as median (instead of mean) or with mean without standard deviation [[20], [21], [22]], and 1 article focused on endometriosis. Here, AMH is linked to endometriosis.