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  1. www.mcgill.ca › oss › articleFacts And Myths Of Male Fertility: Tight Underwear, Hot Tubs ...

    It’s the heating of the testicles that drives the idea that tight underwear or pants can cause infertility. Studies have shown that when wearing tight underwear, testicular temperatures do increase. Depending on the type of clothing worn, and the posture adopted, the increase can be anywhere from 0.5 ˚C to 0.8 ˚C. The real question is ...

  2. www.hsph.harvard.edu › news › press-releasesBoxers or briefs? Loose-fitting underwear may benefit sperm ...

    Aug 8, 2018 · The simultaneous presence of lower sperm counts and higher FSH among men wearing tight-fitting underwear suggests the presence of a compensatory mechanism whereby the decreased sperm production among men in tighter underwear signals the brain to boost production of hormones that stimulate the activity of the gonads to try to increase sperm production.

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  4. www.newscientist.com › article › 2176176-tightTight underwear really is linked to lower sperm counts in men

    Aug 8, 2018 · Men who wear boxer shorts have higher sperm levels than men who wear tight underwear, although the difference shouldn't usually be enough to affect fertility ... 17 per cent higher total sperm ...

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  5. www.menshealth.com › health › a37982583A Urologist Settled the Boxers vs. Briefs Debate for Sperm Health

    Oct 17, 2021 · Dr. Rena Malik breaks down exactly what effect your choice of underwear, boxer shorts or briefs, actually has on sperm quality and health in a new video. ... the idea that wearing snug briefs can ...

  6. www.sciencedaily.com › releases › 2018Largest study yet shows type of underwear is linked to men's ...

    Aug 8, 2018 · Men who wear boxer shorts have higher sperm concentrations than men who wear tighter fitting underwear, according to new research. The study differs from previous research on this topic because it ...

  7. pmc.ncbi.nlm.nih.gov › articles › PMC6530653Type of underwear worn and markers of testicular function ...

    Reported type of underwear worn was significantly associated with sperm concentration, total sperm count and total motile count (Table II).Specifically, compared to men who reported not usually wearing boxers (e.g. wore tighter underwear), men who reported most frequently wearing boxers had 25% (95% CI = 7, 31%) higher sperm concentration, 17% (95% CI = 0, 28) higher total sperm count and 33% ...

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  9. www.sciencealert.com › science-answers-boxers-vsIt's Official: The Science on Whether Boxers or Briefs Are ...

    Aug 8, 2018 · Not only were sperm concentrations higher in the boxer-wearing men in the research, but levels of the sperm-producing follicle-stimulating hormone (FSH) were lower, suggesting FSH kicks into gear to compensate for damage done by tight-fitting underwear, which may be creating a toasty environment that kills off sperm.