99 percent: Let s say, in 99.9 percent of the cases or more, pregnancy occurs because semen entered into the vagina. I hope this helps clarify the confusion. All other posibilities are unreliable and might be just anecdotical. If you are thinking of a specific example, just ask again and mention it. Good luck !
Answered 11/1/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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