What Is The Reason Of Missed Periods And Back Pain?

Hello, I didnt have sex with my bf but he used his finger to make me horny. then we were totally naked...we both r sure that nothing went in even when we had cum as a result of foreplay.but then m missing my period for almost 2months. my vagina was dry at first and now it looks a bit wet and also had a back pain which is also gone.M i pregnant? Please ans. I am dying in fear.