A vasectomy is surgery to make a man sterile (permanently unable to father a child). During a vasectomy, the tube that carries sperm from the testicles to the urethra (called the vas deferens) is cut and tied off or clipped, preventing sperm from being released during ejaculation.
Last Revised: May 4, 2012
Author: Healthwise Staff
Medical Review: Sarah Marshall, MD - Family Medicine & Femi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
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