Line progression 18dpo

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I’m 18 dpo and these pictures were from the same time yesterday and today. Top is 17dpo bottom is 18dpo. Does it seem like the it’s getting lighter? Or at least the control line got darker? Am I waaay over thinking this? So worried about another miscarriage as I’m approaching the point when I had one last month.

17dpo

18dpo

Another brand:

17dpo

18dpo