Strange result ?

Question

AF due the 15th. Took this lastnight before falling asleep w my son while cuddling. Woke up to this... 
I've never had an evap. so not sure what to look for! Can anyone shed some light ? be honest please!

Answer

That is what's called an indent. I had a couple with the dollar store test last month.... It must be something with that lot.

Answer

Same thing I got on 2 test with fmu..but tested today again and got nothing I'm on cycle day 50..so dissapointing..:(..just gonna edit for af and stop testing even though I'm dying to know