Has anyone had any indents with pregmate tests?

So I’ve taken probably a dozen of these being a Pee stick addict, and I’ve never had and evap or indent. Anyways I experienced some cramps and what I believe may have been implantation 2 nights ago at 10 DPO. It’s super hard to see but I definitely see a faint line on the most recent test I’ve taken. Do you guys think it’s an evap/indent or vfl?

TIA

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