Hi all, we have been TTC a few months, did everything right and thought we had a good shot this month but I’m a bit confused. AF is due tomorrow and I have none of my usual pms symptoms (sore heavy boobs, bloating etc). Yesterday I did a cb test which showed negative, then hours later showed positive. Same thing again today. Also did an FRER today which stayed negative. Both positives were hours after the test, but don’t look like other CB evap lines I have seen. They are very blue and thick, and don’t disappear when I run the test under water like other evap lines have before. What do you think?