Possible: It is very possible, always use protection if you have no intention to become pregnant. As long as the penis meet the vagina, couple of sperms could scape and swim upstream.
Answered 9/29/2016
3.7k views
Don't know when you: ovulated. Most studies have shown low levels of sperm or no sperm in pre-ejaculate with sperm not being motile (however, don't know how promptly samples were examined). One small study published in 2011 showed that there are some individuals with a high motile sperm count in pre-ejaculate. See: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3564677/
Answered 8/13/2016
2.8k views
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