Symptoms but negative test 3 day late :(

Amy

Hi i need some advise so i was due on 3 days ago however not come on did a test on sunday and felt sick and dizzy and tired since Saturday today started with really tender and swollen breasts today could all be just a late period and these all just me coming on but this really isnt like me i never normally have painful breasts during or before my period. Not sure if im reading to much into it feel like im losing my mind haha