In the analysis including all the endometriosis lesion, the PRELP gene presented increased expression in peritoneal lesions compared with the eutopic endometrium of women with peritoneal endometriosis, and the SMOC2 gene was expressed more in the lesions (endometriotic and peritoneal) compared with the eutopic endometrium of women with endometriosis. Here, PRELP is linked to endometriosis.