Probability: With this little information a useful estimate of probability is unlikely. Perhaps more useful would be the advice to use protection in the future if you don't want to get pregnant. Having said that, if no sperm were only at the vaginal verge, then probabilty is likely low. If ejaculation forced a good volume further in, then bets are really off....
Answered 10/24/2016
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3 doctors weighed in across 2 answers
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