Birth Control Permanent Methods (cont.)
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Vasectomy, the most common form of surgical sterilization in men, involves a cut in the scrotal sac, cutting or burning of the vas deferens (tubes that carry sperm), and blocking both cut ends. The procedure is usually performed under local anesthesia in an outpatient setting. Vasectomy prevents the passage of sperm into seminal fluid by blocking the vas deferens. Each year, over 500,000 men in the US undergo vasectomy.
Afterward, some men may develop bruising in their testicles. Because, some sperm may remain in the ducts after the procedure, a man is not considered sterile until he has produced sperm-free ejaculations. Semen is tested in the lab several weeks after the procedure to check that all sperm are gone. This usually requires 15 to 20 ejaculations. (The couple should use another form of birth control during this period, or the man may ejaculate by masturbation.)
Medically Reviewed by a Doctor on 6/4/2014
Omnia M Samra, MD
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