unprotected sex after plan b ?

so i had sex Thursday around 5am ish (in my fertile window), i ended up taking a plan b early Friday morning , will it lower my chances of pregnancy i had unprotected sex as today in Saturday (predicted ovulation day) ? i haven’t had none yet just wondering 😂 may be kind of dumb question but if it delayed “pregnancy “ when i took it i was just wondering what are my chances?