“…A total of 13 studies were finally considered eligible for inclusion [ 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ]. Among them, four were observational, which included a total of 633 patients and mainly focused on the prevalence of tubal EM among patients with various gynecological diseases, as well as on disease-related characteristics and histopathology [ 16 , 17 , 18 , 19 ], while two studies focused on analyzing the genetic profile of patients with tubal EM [ 20 , 21 ].…”