Endostatin inhibits the growth of endometriotic lesions but does not affect fertility. - Becker,C.M.; Sampson,D.A.; Rupnick,M.A.; Rohan,R.M.; Efstathiou,J.A.; Short,S.M.; Taylor,G.A.; Folkman,J.; D'Amato,R.J. (Fertil Steril, 2005)