anon:
 I am not sure how much...and I don't think it's been studied.  In fact, I
don't believe that they have said that it increased the chance of
conception...just that it increases the number of sperm present in the cervical
canal when she orgasms after him.  Now..of course it makes sense to assume that
more sperm would equal greater chance of pregnancy....but that's not been
stated and I don't beleive it's been studied to show how much of an increase...

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