UCN and endometriosis: Considering all the above, the aim of this study was i) to identify the gal-1 expression in the eutopic and the ectopic endometrium of women with endometriosis and compare its expression with the eutopic endometrium of healthy women and ii) to examine whether and how CRH and UCN regulate gal-1 expression in eutopic endometrium and macrophages.