I have quite up and down cycles and I have no idea when I ovulated this month, I took a tescos cheapie yesterday evening (5 days before af) and I've had a really faint positive, but I don't trust the tescos ones so it could be a convincing evap, I took another with fmu and it was more faint than the one from last night, has anyone had any experiences with the tescos tests? Are they reliable? I've had 3 miscarriages and I'm worried