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Varicocele

Varicocele a common cause of infertility

From , former About.com Guide

Updated August 06, 2006

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

varicocele_a.jpg

Image showing characteristic signs of varicocele

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Facts about Varicocele
A varicocele is a collection of enlarged, varicose veins that develops in the spermatic cord. Caused by a defective or damage valve that regulates blood flow into the main circulatory system. Blood flow is hampered and enlargement of the vein occurs.

  • A varicocele can occur in one or both testicles

  • Most common in the left testicle (85% more common)

  • More common in men between the ages of 15 and 25 years old (10-20% higher).
  • Varicocele, a Common Cause of Infertility

  • About 40% of infertile men have a varicocele.

  • About 80% of men with secondary infertility, who have fathered one child but are unable to do so again, have a varicocele.

  • Infertility is common because the blood carried in the dilated vein makes the testes warmer. It is this warmth damaging sperm that is believed to be the cause of infertility.
  • Signs and Symptoms of varicocele

  • The majority of men with a varicocele do not experience any symptoms.

  • Most cases are discovered during a physical examination by a doctor i.e. for infertility

  • The testicle may ache

  • There may have a feeling of heaviness in the testicle

  • It may be possible to feel the enlarged vein
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