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If it's a pregnancy test the answer is no, A test can come back negative even though its positive. But if it's positive, it's positive 99% of the time.

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Q: Can your test come out positive then negative?
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Related questions

Can a positive pregnancy test turn negative?

No , but a negative test can be a false positive .

Can a pregnancy test come up negative even if it might be positive?


Does a negative or a positive result come back quicker on a paternity test?


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