A vasectomy (pronounced
va-SEK-tuh-mee) is a surgical procedure performed as a method of
birth control in men. It involves cutting the tubes (the vas deferens, pronounced
VAS DEF-uh-renz) that carry sperm from the testicles.
birth control. Only about 15 of every 10,000 couples get pregnant in the year after the man has a vasectomy.
As part of a program of research on the safety and effectiveness of male contraceptives, the NICHD supports studies and other activities advancing understanding of vasectomy.
For more information about this topic, select the
Condition Information, Research Information, Clinical Trials, or Resources and Publications
link in the menu on the left.
Medical or Scientific Name