Late period ... only spotted for 2 days

So i was suppose to get AF on the 15th but didnt come... then sunday 19th BFN.. and monday had little spotting only when i wipe. Only in the morning then nothing. Same happened today. I feel very bloated and cramps in low abdomen feel uncomfortable. And on and off AF mild cramping. Im always hungry which is not normal for me. Very tired , backache. Been feeling mild af cramps for more than a week now and usually i feel them and af shows.

What do you think? Should I wait till saturday and try another hpt ? Could i be pregnant... maybe ovulation was late..??