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I am a little worried about my situation. I have reason to believe that I had s_x with my girlfriend while she was ovulating. It was protected… I used a spermicidal condom from start to finish and there were no beaks or tears and it didn’t slide off. However about five hours before this she gave me oral. Therefore, I probably had sperm in my pre ejaculate when I had protected s_x. (I showered before s_x but I did not urinate). In sum my question is: what are the chances my pre ejaculate could leak out of the base of the spermicidal condom and result in pregnancy? Thanks