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Avatar universal

A little help

What's the average time it takes for sperm to fertilize an egg? Can it happen on the same day that you have sex?
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Avatar universal
yes it can happen!!1
FYI- textbook knowledge here! once a egg is released (ovulation) it only lives for 24 hours...
I cant see this being realistic.
but its textbook so who knows!
& sperm longest is 7days.
average 3-5
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Avatar universal
so if may calculated time of conception (sonogram) is may 20th & I had sex on the 24th/25th & it takes up to 36 hrs, is it possible that this may not be the father?
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Avatar universal
according to wiki it takes approximately 36 hours from the time the man ejaculates for the sperm to fertilize the egg.
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