pregnant?

Taylor
I am 11 days late. I use to start on the 21. Then my period changed and I started early for a few months like on the 5. I have been going through a whole lot of stress. My grandmother, which I am very very close to, is in the hospital and it is not looking good. I have had Sex. For the first time, un-protected, first time in 4 months. Also had so diet changes. So not sure if I have a lot going on and it is late or what. My vag as felt a little different and sometimes I feel different. But I don't know if it is just all in my head. Was wondering what y'all thought, or maybe what are some early signs of pregancy. Thanks so much!