Common Cause of Infertility in Men from Hi9 by Dr M Krishna Chaitanya Scientific Head & Clinical Embryologist working at Oasis Hospital
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.
