Hello, im 7 days late on my period tomorrow. I have taken two sainsburys own brand tests, both a faint possitive but got much clearer as time went on! .. This morning i took a clear blue digital - NOT PREGNANT then a cheapie from poundland .. - NEGATIVE. Im so confused !! ? Iv been noticing slight changes, headaches 2-3 a day that last 5-10 mins, light cramping on and off, gassy ( sorry tmi ) and feeling very bloated with a firmer stomach and im only little so can really notice