AM I PREGNANT OR PARANOID?

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I had unprotected sex awhile back just 2 days before my period and i took the plan b the day my periodwas due so it threw my cycle off & the period following that was 2 weeks late. this was in early early october. My new period was due at the beginning of this week but i didnt get it, most likely because my cycles messed up but i had protected sex on thursday night. he said there was no leaking no tear no breakage no damaged to the condom the sex only lasted about 5 minutes & i made sure he put the condom on right before hand. but since friday ive been feeling cramps, theyre really light & i did feel them maybe a little during the day before the protected sex. so i just wanna know am i pregnant or just paranoid? im still in the 3 day window so i could take plan b but i dont want it to mess me all up again to where im confused & worrying like this 😩 should i take it or am i just paranoid?