Keeping the affected area clean and dry can usually help reduce skin redness. If an infection is the cause of your skin redness, your doctor may prescribe antibiotics to reduce the infectionâs symptoms. 1  1.
1 Exposed to air, on a cold surface or clothing, for example, sperm usually die within minutes. 2  In a closed and clean container at body temperature, sperm can survive for 4-6 hours or even more.  Sperm can be frozen at extremely low temperatures (but not in the refrigerator) and survive for years.
This depends on where they are. Inside a woman's body, depending on the conditions, sperm can live for up to 7 days. So, bear in mind you can get a woman pregnant if you have unprotected sex before she ovulates as the sperm may still be alive when she does. Again, this depends on the environment. On a dry surface, like bedclothes or clothing, sperm die before the semen is dry. Sperm can survive longer in a warm bath or hot tub as they thrive in wet environments. However, the chances of getting a woman pregnant this way are very low.