However, separate analysis of sperm parameters in normozoospermic infertile men and infertile men with semen abnormalities revealed no significant genotype-related differences, but lower percentage of motile spermatozoa was observed in TGFB3 rs2268626 and rs2284792 minor homozygotes (Supplementary Table 2). This evidence concerns the gene TGFB3 and Infertility.