A varicocele is an abnormally enlarged and twisted (varicose) vein in the spermatic cord that connects to the testicle. Varicoceles are found in about 15% of all men and in about 40% of infertile men, although it is not clear how much they affect fertility or by what mechanisms. They can raise testicular temperature, which may have effects on sperm production, movement, and shape.
Age-related sperm changes in men are not...
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Men can produce healthier sperm and improve their fertility by having daily sex, an Australian study has found. Researchers enrolled 118 men whose... Read more »
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Source: ADAM Encyclopedia
Causes of Male InfertilityMore than 90% of male infertility cases are due to low sperm counts, poor sperm quality, or both. The remaining cases of... Read more »