please help

i had sex a few times this past month (maybe 3 times, a couple times at the end of my period in February and again on march 5th) and every time my bf wore a condom (it never broke to my knowledge) and pulled out before he came. but anyway, my period is like 3 days late and i am very nervous. he never put his fingers in me or anything after he would take off the condom or touch his dick but i am worried still at the possibility of something having gone inside of me. that said, my anxiety has been non stop and i can’t help it, it’s rly affecting me. do you think i am pregnant? i’m so nervous