Mean infertility duration (p=0.328), number of embryos(p=0.649), FSH (p=0.390), LH(p=0.051) and LH/FSH ratio (p=0.287)as well as type of infertility (primary or secondary)(p=0.295), causes of infertility (p=0.750)and pattern of menstruation (p=0.676) were notsignificantly different in the two groups. This evidence concerns the gene PLOD1 and Infertility.