Sperm : Sperm need to enter the vagina for a woman to become pregant. Here is the issue, sometimes in the passion of the moment the head of the man's penis can enter the vagina. Even if the man has not ejaculated, pre-ejaculate on the tip of the penis still contains a small concentration of sperm.
Answered 10/3/2016
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2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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