Depends entirely on what it is being tested for. -DJ Craig
not very long if you geting it on.
It takes one week to make jelly-beans! A whole week!
So it could take a year or a couple of mounths or week depending how long you take on it.
About 1,600 years
2 seconds
3 days
you would need to have sex
Sperm has no effect on how long you can run.
You must wait until you have gone through puberty
It can take a matter of hours depending on how much sperm there is
The food you eat will have no effect on sperm determination.
1 hour
a sec
1.5 weeks.
A day
Actually its takes a matter of seconds to produce a sperm. Millions of sperm are produced in a day.
approximately 3 days after intercourse. However sometimes longer or not at all because the sperm has to make its way to the egg to fertilize it
It can take 12 - 72 hours for human sperm to reach the egg.