Lighter pregnancy test at 7+2 weeks

Woke up this morning not feeling as sick or as “pregnant” as I have been the last few days. I had really bad morning sickness 2 days ago but nothing today. I don’t feel pregnant one bit.

I had a miscarriage earlier this year and I had zero symptoms everything disappeared so I am nervous.

My test this morning came back lighter and don’t know if I should be concerned!! Would appreciate some insight. <3

Bottom picture is 5 weeks 4 days and top picture is 7 weeks 2 days