Period or pregnancy

Dani

So I had my period 5 days ago and a day or two later I had sex no protection but he didn’t cum we stopped but I to aftera the plan b type of thing. then had sex the next day for a few min nothing happened then yesterday I started bleeding and I have some craps and I took a test this morning and it came up negative but I am bleeding like it’s my period. Can any help me out here I am really stressing and don’t know what to do