PLEASE READ!! 😰

i need help!! i recently had unprotected sex .. at the time i didnt know i was ovulating. we had sex the 20th (sunday night) and sunday was the last day of ovulation. HE DID PULL OUT and there wasnt signs of pre-cum before we had sex bc we had went pee. i also took plan b the 21st (yesterday) but im very nervous bc im young and im NOT ready for this. {irresponsible and stupid to be having sex then i know!} just someone give me some advice please!