After that period, men should have their sperm count checked. "It takes upwards of 20 ejaculations or more for sperm to clear," added Smith, which is approximately three months based on weekly ejaculations. Until technology improves, a semen analysis should be done in the clinic or a laboratory setting following your vasectomy." How long can sperm last after a vasectomy?Īfter a vasectomy, some sperm may still be present in the severed vas deferens, and they can still make their way to the egg. "However, because these commercially-available instruments are not able to confirm that zero sperm is present, most urologists do not recommend they be used to confirm the success of a vasectomy. "Sperm counts can be assessed at home," said urologist Dr. For the best results, semen must be kept at body temperature and tested within 60 minutes of leaving the body. Before a sperm test, men should avoid ejaculation for 24 to 72 hours. A standard semen analysis measures sperm count, motility, and morphology however, men who had a vasectomy only need to consider sperm count as a factor. How is your sperm count tested?Ĭhecking your sperm involves a semen analysis, which usually is performed at a clinic or urologist’s office. Your doctor will advise you when it's safe to use the vasectomy for contraception. This can take some time after your procedure because sperm can live in the severed vas deferens for months. After a vasectomy, your semen analysis must show no sperm or only a few residual, non-moving sperm before having unprotected sex. It's crucial for men to have their sperm count checked to ensure that it’s safe to have sex without a condom or other form of birth control. Why do you need a sperm count test after your vasectomy? If you follow through with proper testing, then your vasectomy will be a successful and permanent birth control procedure. When you decide to have a vasectomy, the process doesn’t end after the procedure-there's still the sperm count test! Couples can end up with a surprise pregnancy because they did not use birth control immediately after the vasectomy and avoided a subsequent sperm test.
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