What is the average life of sperm after ejaculation outside the body?

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How Long After Ejaculation Sperm Live

Sperm exposed to room air on clothing, bed linens or toilet seats lose motility (the ability to swim) rapidly. Once the semen dries out, the sperms are usually dead.

If the semen is near the woman and no fertile fluid is present, they will die within a few hours outside the body. If semen is spilled on the external genitals (not in the vagina) they can swim to enter the vagina. Thus they travel from outside the body to inside.

Inside the body sperms can survive for 72 hours or more. Half of them perish in 1 to 5 hours journey inside. Note that this half is more than 60 million sperms.

That said, you should take basic caution after sex that you've cleaned up any big splashes on her or around her.

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Important to know

Women are fertile for about 24-48 hours around the time of ovulation (before
and after ovulation) and in most ideal conditions (ideal vaginal/uterine environments, fertile eggs, strong sperm health, etc) - sperm may be able to survive between six and seven days.
See more - http://www.menstrual-cycle.info/35-Fertile-days.html

First answer by anonymous. Last edit by Dr.DOL. Contributor trust: 2 [recommend contributor]. Question popularity: 343 [recommend question]