Pregnancy test line progression

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Hi everyone .. I’m very anxious and worried at the moment .. I’m 4 weeks and 2 days .. I’ve been taking a test everyday since I found out but I’m yet to get a real dark line .. I’ve noticed it hasn’t gotten any darker in the past 3 days and it’s still quite faint! Is this normal or is something wrong? The picture makes the line look slightly darker 😔 I’m really hoping someone else has this experience but everything is ok