SHBG and endometriosis: The differences between our results (the association of the SHBG-raising genotype GG rs440837 (A > G) ZBTB10 with an increased risk of endometriosis was revealed) and the data of Garitazelaia et al. (the MR method did not establish a link between the GWAS determinants of sex hormones and endometriosis [61]) may be due to the following points.