Vasectomy is a method of male sterilization. Counselling is given to make sure the man and his partner do not wish to have children in the future. The procedure has no effect on sex drive or ejaculation, but the semen no longer carries sperm, which are reabsorbed in each testis. Additional contraception is needed until 12–16 weeks later, when semen is tested to ensure sperm are no longer present. Although most vasectomies are successful, overall the operation has a failure rate of about 1 in 2,000.
From the 2010 revision of the Complete Home Medical Guide © Dorling Kindersley Limited.
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