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And, specifically, what if they’re in the mouth?
By Dan Roe
As anyone in a pregnancy scare has probably wanted to know, errant sperm can live inside the body for three to five days—provided the cells are in a warm, protective environment, like the uterus or cervix. But what about inside the mouth? Twitter user @_MariahV_ answered the question of oral sperm lifespan that most of us never knew we had:
So today in lab we swabbed inside our mouth to see bacteria under a microscope and a girl had a WHOLE LIVE SPERM in her microscope slide
— Mariah (@_MariahV_) August 28, 2017
Men’s Health attempted to contact Mariah via Twitter, and at publication time received no response, so sadly we can’t verify whether this hilarious thread is true. In it, she describes how a swab of a medical school classmate’s mouth showed that sperm was living inside her oral cavity. According to Mariah’s professor, this wasn’t the first time a discovery of this kind had been made, either.
In the interest of providing sound medical advice on whether the story could be true, though, we reached out to Dr. Brian Steixner, a urologist and director of the Institute of Men’s Health at Jersey Urology Group.
“It’s interesting to think about,” Steixner says. “The important point is that most sperm will die pretty rapidly if they’re not in an environment that’s conducive to living. Sperm outside the body, on the coffee table, or wherever you decide to put them, they’re only going to live about 15 to 30 minutes.” However, Steixner notes that hypothetically, the properties of the mouth could be conducive to harbouring live sperm cells.
“If you’re talking about the science behind it, the temperature of the mouth is warmer than outside the body, it’s a mucosal substance with gums, nooks and crannies,” Steixner says. “In theory, it’s 100 percent reasonable that a sperm from oral sex in someone’s mouth could be alive the day after, assuming it’s Monday, or two days later.” Steixner also notes that such a situation is highly improbable, but concedes that yes, the remnants of Saturday oral sex could stay with a person until Tuesday.
Related: 5 Ways To Make Your Sperm Stronger
So, although male sperm counts are declining, be aware that sperm can live inside other areas of your partner longer than you might think.
Originally published on menshealth.com