We've all heard the rumors about spérm—pineapple, hot tubs, ladies who
are allergic. But what's the truth? We consulted the experts for the
facts:
It's Fast and Furious, Right from the Start
Get this: The first moment of ejaculation contains the highest
concentration of sp érm, says board-certified urologist Harry Fisch,
M.D., clinical professor of reproductive medicine at Weill Medical
College of Cornell University.
It Sticks Around Longer Than You Think
Spérm typically stays in your body for 48 hours after s éx, however,
"it can hang around for as long as five days to a week," depending on
how "friendly" your cervical mucus is, says Fisch. Interestingly,
cervical mucus protects sperm and helps it stay longer in the body
around ovulation, when you're most fertile.
Lots of S ex or Masturbat;on Won't Lower a Guy's Sperm Count
Don’t worry, he doesn’t have a limited supply of swimmers that he's
going to use up, says reproductive endocrinologist Carrie Wambach, M.D.,
from Southern California Reproductive Center in Los Angeles. That said,
frequent ejaculation may lower the volume, but if he generally has a
normal sperm count this shouldn't make much of an impact, she says.
Temperature CAN Lower His Sperm Count
Apparently, his se men fluctuates with the seasons. "Sp érm count tends
to be lowest in summer months and highest in winter months," says Fisch,
because exposure to heat lessens sperm count. Overheating can include
anything as seemingly innocuous as your man having a hot Macbook on his
lap or as obvious as the two of you relaxing in a hot tub. "In a Jacuzzi
104 degrees and higher, sperm count can decrease dramatically," warns
Fisch. In fact, this decrease can last for months after extreme
overexposure to high temps. "I tell my patients, if you're trying to
have kids, don't go into hot tubs." Of course, don't assume you're
totally safe from getting pregnant after you take a dip, either. "It's
not birth control," he laughs.
Pineapple Isn't Proven to Make Him Taste Better
Unfortunately, scientists haven't tested this one out yet (can somebody
get on that, though?). Semen does contain fructose (naturally occurring
sugar), giving it a slightly sweet taste, but there's never been a real
study on the connection between foods a guy eats and the taste of his
swimmers, says Fisch. However, this rumor has a ton of anecdotal
evidence, so if it seems to work for your partner, we say go ahead and
grab the pineapple.
Apparently, his se men fluctuates with the seasons. "Sp érm count tends
to be lowest in summer months and highest in winter months," says Fisch,
because exposure to heat lessens sperm count. Overheating can include
anything as seemingly innocuous as your man having a hot Macbook on his
lap or as obvious as the two of you relaxing in a hot tub. "In a Jacuzzi
104 degrees and higher, sperm count can decrease dramatically," warns
Fisch. In fact, this decrease can last for months after extreme
overexposure to high temps. "I tell my patients, if you're trying to
have kids, don't go into hot tubs." Of course, don't assume you're
totally safe from getting pregnant after you take a dip, either. "It's
not birth control," he laughs.
Pineapple Isn't Proven to Make Him Taste Better
Unfortunately, scientists haven't tested this one out yet (can somebody
get on that, though?). Semen does contain fructose (naturally occurring
sugar), giving it a slightly sweet taste, but there's never been a real
study on the connection between foods a guy eats and the taste of his
swimmers, says Fisch. However, this rumor has a ton of anecdotal
evidence, so if it seems to work for your partner, we say go ahead and
grab the pineapple.
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