If it takes just one sperm and one egg to create a baby, why
must men make so many sperm? And how many sperm are considered
normal? How long do sperm live? Can they survive outside the
body? Do men stop making sperm as they age? Is there anything
you can do to increase sperm production or improve the health of
your sperm? WebMD takes a look at the facts about sperm and
answers these and other frequently asked questions. The answer
depends on a number of factors, the most important of which is
where the sperm are located. On a dry surface, such as clothing
or bedding, sperm are dead by the time the semen has dried. In
water, such as a warm bath or hot tub, sperm will likely live
longer because they thrive in warm, wet environments; however,
the chances sperm in a tub of water will find their way inside a
female bather and cause her to become pregnant are extremely
low. Inside a woman's body, sperm can live for up to five days
depending on the conditions. If you have unprotected sex even a
few days before your