“…CE is attracting interest because of its association with female infertility, including unexplained etiology (10–57%) [ 9 , 10 , 11 ], endometriosis (5–53%) [ 12 , 13 , 14 , 15 , 16 ], repeated implantation failure in an in vitro fertilization–embryo transfer program (7–31%) [ 7 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ], unexplained recurrent pregnancy loss (9–13%) [ 27 , 28 , 29 , 30 , 31 , 32 ], fallopian tubal infertility (45.9% of hydrosalpinx, 14.3% of peritubal adhesion, and 13.0% of tubal occlusion) [ 33 , 34 , 35 , 36 ], polycystic ovarian syndrome (32–42%) [ 37 ], endometrial polyps (86%) [ 38 , 39 , 40 , 41 , 42 , 43 ], submucosal uterine fibroids (69%) [ 44 ], septate uterus (46%) [ 44 ], intrauterine adhesion/Asherman syndrome (28–79%) [ 44 , 45 , 46 , 47 ], and cesarean scar disorder (28–66%) [ 48 , 49 ]. The European Society of Human Reproduction and Embryology Working Group recently published Good Practice Recommendations on Recurrent Implantation Failure 2023, a document in which assessment for CE can be considered for infertile women suffering from repeated implantation failure following in vitro fertilization–embryo transfer programs and tre...…”