Phthalates are anti-androgens, and other studies have shown that environmental levels of phthalates in infertile men correlate with increased rates of sperm DNA damage, low sperm counts and abnormal sperm.Today male infertility is on the rise and male infertility is due to low sperm production, misshapen or immobile sperm, varicocele or blockages that prevent the delivery of sperm. https://ivftreatmentindia.wordpress.com/about/male-factor-infertility