Causes of Male Factor Infertility from Hi9 by Dr.M.Krishna Chaitanya Scientific Head and Clinical Embryologist working at Oasis Hospitals

A hormone imbalance or blockage of sperm movement can cause a lack of sperm. In some cases of infertility, a man produces less sperm than normal. The most common cause of this condition is varicocele (pronounced VAR-i-koh-seel), an enlarged vein in the testicle,recurrent infections in the male reproductive track can also effect male factor fertility potential