Sperm passes from the testes to the penis in tubes called the vas deferens. A vasectomy is a surgery that blocks these tubes. This makes a man unable to make a woman pregnant.
Male Reproductive Anatomy
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The surgery is done to make you sterile. This means that you are unable to cause a pregnancy.
A vasectomy is done as permanent birth control. This option is for men who are sure they will not want to father a child in the future. There is a surgery to reverse a vasectomy. However, the reverse is not always successful.
Last reviewedDecember 2014by Adrienne Carmack, MD
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