I am 13 DPO and 4 days before my period is due although it may come sooner. Did a HPT this morning using an internet cheapie and got a faint but definite line. Could barely believe it as we've been TTC for 14 months with no luck. However, I put the test down then went to give DCs breakfast, then checked it 30-40 minutes later and the line had gone! Could it have been an evapouration line? I am sure it had some faint colour to it. Anyhow, I then bought a First Response HPT on the way to work and did it in the loo but didn't have enough wee and only peed on the stick for 2 seconds, not 5 seconds. The control line did come up (visible but faint) so presumably the test worked and I am not pregnant. Gutted. But what about the faint line on the other test. Am i going mad?