Could I be pregnant?

I'm 19 days late. I can't remember who the last person I had sex with I have 7 potential baby daddies. My boobs hurt, I always feel nauseas every morning, I get a lot of headaches and I've been eating more than usual. Am I paranoid or could I actually be pregnant? I'm so scared and alone, I don't know what to do and I can't tell my parents because they'd kill me