Sperm: How long do they live after ejaculation?

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Sperm: How long do they live after ejaculation?

Question

How long do sperm live after ejaculation?

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Answer

The life span of sperm after ejaculation depends on the environmental conditions. Sperm ejaculated into a woman's vagina can live in a woman's reproductive tract for up to five days or perhaps even longer. Fertilization is possible as long as the sperm remain alive. Sperm ejaculated outside the body may survive only minutes to a few hours.

Last Updated: 2010-03-13
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