plan b?

okay i know this app is not a pregnacy test but i just need some helpful feed back please

so around the 18 was my last fertile day and me and my boyfriend had unprotected sex with no ejaculation ( stupid of me ik) but i was really worried so i took plan b. about 3 days later we had unprotected sex again ( im dumb but we all make mistakes) he pulled out again but now my period is late im breaking out and slightly nausous is there a chance im pregnant?

pls no rude comments im just tryna get help