so, my cycle hasn't been amazing as my avg. cycle is 26days however I have had a cycle of 40 and now another cycle this month where I am late by 18days. I have take two hpt by sainsburys both show a clear line not sure wether it could be Evap lines I got a cb test and this said negative but I've also read clear blue is not sensitive as it's made out to be ..... ADVICE please xx