A vasectomy is a surgical procedure performed as a method of birth control in men. It involves cutting the tubes (the vas deferens) that carry sperm from the testicles.
Only about 15 of every 10,000 couples get pregnant in the year after the man has a vasectomy.1
As part of a program of research on the safety and effectiveness of male contraceptives, NICHD supports studies and other activities advancing understanding of vasectomy.
Citations
- American Pregnancy Association. (2003). Overview: Birth control. Retrieved May 23, 2012, from http://americanpregnancy.org/preventing-pregnancy/birth-control-failure/
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