Possibly pregnant??

So im 5 days late. Ive been kinda irregular the last few months but finally got a period without taking provera last month. Me and my bf dont really keep track, if i get pregnant yay if not yay basically. But i know we had sex one of my days in my fertile window. Im 5 days late now. Getting BFN tests (2 of them). Im super hungry, tired yet restless, i get sharp pains kn my abdomen area sometimes and my areolas are dark and bumpy. Could i be pregnant even though im getting BFN tests or is my period just late again? Im nkt usually like this when i PMS so i find it odd. HELP!!!