To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Rocco3 I took a cheap one from home bargains at 9dpo on the night and I was absolutely gutted that there wasn't anything there, then I looked again with my torch on in and very slightly saw a line but because I left it a little longer I thought it might've been an evaporation line.

If this retest gives you a not pregnant result and you have still not had your period, see your doctor 7. I'm due to be seen soon as I have PCOS and my periods are all over the place so I just want to know what's going on.Here’s the bottom line: If your period is due and you use a Clearblue pregnancy test following the instructions carefully, the answer will be over 99% accurate. The presence of two red lines in both the test window (T) and control window (C) means you are probably pregnant. Evaporation lines are also likely to appear if a person has not followed the instructions on the test’s packaging.

A recent pregnancy: hCG levels from a recent birth, miscarriage or termination can linger for up to 6 weeks.A simple way to help ensure accuracy is to take two tests and carefully follow the test instructions.