Have we conceived our rainbow???

Hi everyone my fiancé and I have recently had a miscarriage July 13,2019 and have been trying again. I took this yesterday (pic was taken within time frame) I think I see a faint line and so do my cousins but my mother in law doesn’t... Do y’all think we conceived again or maybe it could be left over from our first.. ( had to edit bc of how faint it was!! The camera had trouble picking it up)

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