I got my last period Feburary 28th. I had semi unprotected sex on March 24th four days before my next expected period. I was a virgin and he barely stuck the tip in and he didn't cm in me but he may have pre cmmed a little bit. Now it's April 5th and I still haven't gotten my period that was due March 28th. Could I be pregnant? I'm freaking out. I'm having all the symptoms of feeling like I'm about to have my period but still nothing. :(