It depends on the form of sperm your talking about.
Wet dreams
Nothing.
y wuld a girl hav SPERM. !!!
A sperm cannot get rid of a fetus.
Then she touches sperm...
the sperm just die
Nothing different happens to sperm when you're on or off Depo Provera.
Sperm of a fertile male.
Tomato sauce
There is no pressing need to get rid of sperm for a pap smear. Ideally, you should avoid sex and douching for 24 hours before the test.
No you cannot get pregnant if a guy kisses you on your privates, sperm has to be the factor and guys do not have sperm on their lips on in their mouth, their own privates have sperm so tell the guy to keep his privates well away from your privates.
nothing happens
Not a good idea at all. It could contain bacteria considering how long its been out. He could get sick.