VFL then BFN

I'm on cycle day 53, I'm irregular but this is the longest I've gone in my cycle. I took a few pregnancy test and on the easy@home cheapie strips I got super faint positives within time limit, but then on other brands FRER it was negative and ClearBlue plus was a faint line. . So I'm taking it as I'm not pregnant since FRER said negative. But has anyone ever had faint lines then negatives and actually ended up being pregnant? 

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