It's also worth noting that if you do rely on the "pull-out method" to prevent pregnancy, it's not always foolproof, and 27 in 100 women who use the withdrawal method will get pregnant every year, according to Planned Parenthood . This statistic could be because of other reasons (like pre-cum and the birth control methods they were using), but having semen near or in your vagina definitely has to do with it. Dr. Burch also adds that if someone had semen on their hands, and then put their hands in their vagina, that could get someone pregnant, so it's important to keep your hands clean if semen is in the vicinity and you are pleasuring yourself or another woman with your hands