Should I be worried FMU test isnt as dark?

Question

So my FMU tests dont seem to be my darkest tests, should I be worried that this mornings test is fainter than yesterdays morning test but darker than two days ago?? 
This am (12th)

Yest am (11th)

10th am

Answer

Those are also 2 different brand of test your comparing wich is different hcg level detections. Your fine dont worry

Answer

No those needore hch, congratulations

Should I be worried FMU test isnt as dark?

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