Pregnant?

So I was supposed on my period last month never came I was with this guy last month and he wanted to have sex but it didn’t really go as planned so he stopped which only lasted 30 seconds and he wore a condom and since then I haven’t had my period but recently since Thursday I’ve had sex five times and his guy wore a condom but I’m still late. I am on the IUD but I can’t feel the string when I put my fingers up my vagina so I don’t know what to do I have really bad anxiety