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Update: A previous version of this article contained quotes from an expert whose credentials are now in question. We have reached out to him for confirmation of those credentials and have not heard back. You can read Gizmodo's investigation here , and his response here. Most people with penises produce between 39 million to million sperm per ejaculation, according to the World Health Organization. But how much do you really know about sperm?
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Can Sperm Go Through Clothes and Get a Woman Pregnant?

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Can Sperm Travel Through Fabric? -Doctors Lounge(TM)

Is self-reported type of underwear worn associated with markers of testicular function among men at a fertility center? Men who reported most frequently wearing boxers had higher sperm concentration and total count, and lower FSH levels, compared to men who did not. Elevated scrotal temperatures are known to adversely affect testicular function. However, the epidemiologic literature on type of underwear, as a proxy of scrotal temperature, and male testicular function is inconsistent. This is a cross-sectional study including male partners of couples seeking infertility treatment at a fertility center — Self-reported information on type of underwear worn was collected from a take-home questionnaire.
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8 myths you should stop believing about sperm

When I asked her why she doesn't use a condom, she says that she can't get pregnant because he doesn't enter her but rather pokes her. Who is right? If any moisture gets through their underwear they are putting themselves at risk for pregnancy or sexually transmitted diseases, or STD.
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If you think you may have a medical emergency, call your doctor or immediately. Doctors Lounge www. Please read our 'Terms and Conditions of Use ' carefully before using this site.
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