A 39-year-old male asked:
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how long can sperm in precum live on hands?

1 doctor answer
Dr. Robert Kwok
32 years experience Pediatrics
Nobody knows: Sperm don't live in the air, on clothes, or on other items. Their natural habitat is warm, fresh semen... not on hands or household objects. Fresh semen on hands, condoms, etc., that is quickly put into a vagina can still lead to pregnancy. Realize that scientists are NOT spending time testing how likely or unlikely pregnancy would be in such situations. Hands wiped very dry should be safe.
Answered on Aug 13, 2018

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Dr. Matt Wachsman
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Not enough: to matter anyway. Fertility rate falls rapidly with lowering numbers and that should get rid of nearly all of them.
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