If a man has a vasectomy, will he still produce seminal fluids?

Vasectomy does not affect a man's ability to have an erection or orgasm, or ejaculate semen.

Vasectomies emerged as a popular method of permanent contraception during the 1960s. A vasectomy is cutting the vas deferens, or the tubes that carry a man's sperm from his scrotum to his urethra. The urethra is the tube that carries sperm and urine out of the penis. Normally a sperm cannot move out of the testes after a man has a vasectomy, preventing him from impregnating a woman during sexual intercourse.

Semen is still produced to a similar amount, like before the vasectomy, but the semenal fluid will no longer contain sperm. A vasectomy has no impact on a man's ability to perform sexually, or the sensation of orgasm and pleasure he receives. It also has no affect on the balance of male hormones, sex characteristics or sex drive. Testosterone will continue to be produced in the testes and delivered into the bloodstream.

Sperm represents a very small portion of semen (around 1% of a man's ejaculate is sperm) - the difference in the amount of semen produced during orgasm will be unnoticeable. A vasectomy is intended to be permanent. Not all men are good candidates. A couple should agree completely that they no longer want to have children before a man undergoes a vasectomy. It's permanent and it should be a mutual commitment to an already successful relationship.
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Dassow P, Bennett JM (2006). "Vasectomy: an update". American Family Physician, 15;74(12):2069-74. American Academy of Family Physicians.
Peterson HB (2008). "Sterilization". Obstetrics & Gynecology. 111(1):189-203.


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