Is FMU that important?

Ry
So I took these tests first thing in the morning and I thought they were clear positives, but I'm so excited I couldn't help but keep testing, and tonight I got the biggest fattest negative I've ever seen on a clearblue. So do I trust the FMU and say I'm pregnant or do I trust the clearblue done at 7 pm and wait to test again? 

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