A semen analysis is often recommended when couples are having problems getting pregnant. The test will help a doctor determine if a man is infertile. The analysis will also help determine if low sperm count or sperm dysfunction is the reason behind infertility. Men who have had a vasectomy undergo semen analysis to make sure no sperm are in their semen. In a vasectomy, the tubes that send sperm from the testicles to the penis are cut and sealed as a permanent form of birth control. After a vasectomy, doctors often recommend that men take a sperm analysis once a month for three months to ensure that sperm is no longer present in their semen.
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