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Fertility » Obstruction of the Vas Deferens Causes Male Infertility

Obstruction of the Vas Deferens Causes Male Infertility

Introduction: Obstruction of the Vas Deferens Causes Male Infertility

The vas deferens are small tubes that carry sperm to the urethra for ejaculation during sexual intercourse or sexual arousal. When the vas deferens are blocked or obstructed, sperm, which is produced in the testicles, cannot mix with a man's semen. Semen that contains no sperm cannot fertilize a woman's egg and produce a pregnancy. Sexually transmitted infections, such as chlamydia and gonorrhea, can cause inflammation and blockage of the vas deferens. Other causes of obstruction include trauma from surgical procedures on the testicles or from intentional obstruction of the flow of sperm due to vasectomy.

Treatment of obstruction of the vas deferens may include antibiotic medication and/or surgery, depending on the cause. Surgery is successful in the treatment of infertility for many men. In some men, infertility due to an obstruction of the vas deferens may be by treated with assisted reproductive technology procedures that include a testicular sperm extraction and in vitro fertilization.

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