Conflicting tests...help!

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I'm so confused. I got the top vvvfl at 9dpo with afternoon urine, a negative with fmu at 10dpo, a faint line at 10dpo with afternoon urine and a barely there, maybe negative with fmu at 11dpo. Anyone have this happen? Is it possible my fmu is more diluted than afternoon urine? Or perhaps is the pregnancy ending before it really began? Any advice would be great!