my girlfriend and i were fooling around and things got heated she had just given me a blowjob, and she had my cum on her hands, after cleaning myself up i performed oral sex on her, bt she had nt cleaned up yt, she is worried that she had also touched herself while i ws performing the oral sex. by then the cum had dried bt is it possible to get pregnant in this way? should she take a pill to prevent the possibility? this happened on the 27th of june. pls do help