That's right, I'm at that point in TTC when you have got a BFN but still no AF and, while you know it's game over for that month, you don't give up hope (despite the fact that you're an old pro at TTC and should know better) and start to wonder if in fact that good old clearblue got it wrong. 
Sooooo, what ARE in act the chances that my pregnancy test is lying to me? No sign of AF and am now on day 35. Although I have had irregular cycles since having DS as I was BFing up until a month or so ago (DS is 14 months old) so not entirely sure on whether that is normal for me at the moment or not.
This is our first month back on the TTC wagon and my god I forgot how much I loathe it