Spotting during early pregnancy

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I posted this in another group but wanted to get some more opinions. Last night around 11pm I got this spotting:

This morning I got this:

I’m five weeks and two days pregnant and I’m starting to freak out. I took another pregnancy test and got this so I know my levels are rising:

Has anyone experienced this before? I called my doctor last night and they said it was likely related to implantation bleeding since I don’t have fever, chills, pain, or cramps. They didn’t feel the need to see me until my appointment in two weeks. Please help!