I have now taken 8 !!! (Yes 8!)clear blue tests. I am getting annoyed and obsessed with the results... everytime i take them, a thin blue line forms after 10 mins. I don't think its a positive as it comes up after the time. But i know you are meant to throw them away, but why on earth do they form this cross after a time.... i feel its really bad if you are trying for a baby and actually think you may be and its just the stupid test!!! aaaaggghhhh, had to vent my frustration......