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How long does it take sperm to reach the egg? Is it possible that none will make it?

2 doctors weighed in
Dr. R. Jan Gurley
Internal Medicine
1 doctor agrees

In brief: Time for Plan B...

Plan b is a type of hormone that is used in birth control pills.
If it is taken within 72 hours of intercourse, it reduces pregnancy by 89%; if taken within 24h, reduces it by 95%. It is not the abortion pill, and if thepregnancy does occur, there is no known effect on the fetus. Sperm may take from minutes to days to reach an egg. http://women.webmd.com/guide/plan-b.

In brief: Time for Plan B...

Plan b is a type of hormone that is used in birth control pills.
If it is taken within 72 hours of intercourse, it reduces pregnancy by 89%; if taken within 24h, reduces it by 95%. It is not the abortion pill, and if thepregnancy does occur, there is no known effect on the fetus. Sperm may take from minutes to days to reach an egg. http://women.webmd.com/guide/plan-b.
Dr. R. Jan Gurley
Dr. R. Jan Gurley
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