The main sign of low sperm count is the inability to conceive a child. There might be no other obvious signs or symptoms. In some men, an underlying problem such as an inherited chromosomal abnormality, a hormonal imbalance, dilated testicular veins or a condition that blocks the passage of sperm may cause signs and symptoms. Low sperm count symptoms might include:  Problems with sexual function — for example, low sex drive or difficulty maintaining an erection (erectile dysfunction) Pain, swelling or a lump in the testicle area Decreased facial or body hair or other signs of a chromosome or hormone abnormality 
sign low sperm count inability conceive child  obvious signs symptoms  men  underlying problem inherited chromosomal abnormality  hormonal imbalance  dilated testicular veins condition blocks passage sperm may cause signs symptoms  low sperm count symptoms include:  problems sexual function — example  low sex drive difficulty maintaining erection (erectile dysfunction) pain  swelling lump testicle area decreased facial body hair signs chromosome hormone abnormality 
low sperm count