what should i do? what are the chances?

i had my first time on 7th april, sex was protected by condom. it was really fast and he ended while being in me, before that there were some attempts without protection to enter but since it was the first time it didnt fit, but still rubbing with the precum liquid makes me feel really worried.

i can’t sleep well at nights cuz im scared of the fact that the chances are not 0 and i can get pregnant. i dont have any trusted adults who i can talk or ask for advice, id appreciate any support and help

i also understand that everything that i can do now is wait for my next period, which is not that soon, or do a test but im really scared. i just wanna know the chances and should i even be that worried?