calm down my nerves??

so february 17th i had sex for the very first time without a condom. it was the last day of my period and i am on birth control. the actual sex lasted maybe 7-10 minutes and he never finished in me. i know that getting pregnant from precum while on birth control is unlikely. but ever since then i've been reading stories on eve and freaking myself out and getting very stressed about the possibility. according to eve, my period is one day late and I have about 4 more days until my placebo pills so hopefully my period will come then.

will i be okay? and how should i destress? (i know y'all aren't pregnancy tests and can't determine yes or no, but i just need some opinions)