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Some of them take longer to process than others. Most are within 1-3 minutes, but I've seen some that can take up to 6-10 minutes. I would take another test and just make sure, but it could mean you have a bun in the oven. (I've never heard of a false positive)

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Q: Why would a home pregnancy test show positive hours later...have had many negative tests and never seen it later turn posotive?
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