Am I safe?

Ka

I had unprotected sex Monday and the dumbass went inside me! I know I know it is as much fault of mine as it is his but I did tell him to not do it and he had the guts to ask why then do it! Well my question is should I be worried about taking a test? I was a month late actually a little over a month late for my period but I started today. I have PCOS so I have no clue when I'll start when I ovulate, etc. So should I still take a test?