Am i pregnant or just my period late

So last week on Monday me and my boyfriend had sex and we did pull out.After that we had sex with the condom before he started cuming he let me know so i can get off so right after he cleaned it off. He used a new condom and when he was putting it on he put it the wrong way so then he turned it around ,not a good idea doe.This week on the 18 i was suppose to get my period and i didnt im pretty scared my period hasn't been late for a while and im freaking out help mee!!