In agreement with these results, recent publications [3,34,35] also reported the absence of apoptotic cells and the increase of Bcl-2 and the reduction of Bax expression in eutopic endometrium from women with endometriosis, although Béliard et al. (2004) [4] were unable to find these differences between patients with endometriosis and normal women. This evidence concerns the gene BCL2 and endometriosis.