Pregnant?

Okay so , to start off , I was first on birth control pills and I ran out while I was on my period, I stopped taking them and a couple days after my period I got the Nexaplanon insert. Since I didn't get it while I was on my period you're supposed to use protected sex for 7 days. Yesterday was my 6th day, me and my bf had sex . With condoms, ( around 2 pm ) but realized it broke at the last minute so it was too late. I took the plan B pill around 1 pm today and I bought pregnancy test to take in a couple weeks. Do you think I could be pregnant?