someone please help me

I'm currently 11 days late for AF. I had sex once since my last period and it was protected with no tears or rips. I also got sick and was going through getting ready for graduation around the time I was suppose to ovulate. my cycles are usually normal and on time. now I'm late and I'm freaking out. I have cramps and diarrhea like I normally do before my period and have been having that for about a week but still no period. could I be pregnant ? I'm too scared to take a test.