Hello, I Am Currently On Junel Fe 1/20 And Have

Hello, I am currently on Junel Fe 1/20 and have been on it for about 6 months or so, I always get my period about the 2nd or 3rd day of brown pills. But this month I didn't get it at all, I have had unprotected sex at least 2 times during the brown pill week, and am wondering if I might b pregnant, or what the chances r that I'm pregnant, I'm unsure if my period never started because I did conceive, I just am unsure of what to do, I do not want to continue taking my pills if I am in fact pregnant. If any one could please help it would be greatly appreciated.
Caitlin