MedlinePlus Medical Encyclopedia: Semen analysis

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Semen analysis

The sperm count test is performed if a man's fertility is in question. It is helpful in determining if there is a problem in sperm production or quality of the sperm as a cause of infertility. The test may also be used after a vasectomy to make sure there are no sperm in the semen.

Update Date: 6/5/2007

Updated by: Marc Greenstein, DO, Urologist, North Jersey Center for Urologic Care, Denville, NJ. Review provided by VeriMed Healthcare Network.

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