Help, Please.

I haven't taken my test yet, but having all the symptoms. I was on birthcontrol pills a couple weeks before, but I missed days so I stopped, not thinking I still had intercourse. So I'm waiting till I miss my period before I take any test, but that's 11 days away. Since I'm not 100% sure I'm pregnant but having all symptoms, I was wondering if I should start my new months birth control pills, or not seeing as if I am I would kill my egg.