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A woman shared her negative pregnancy test on Facebook. It went viral.
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Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis
Feeling pregnant but tests showing negative? Here are five possible reasons behind it - Times of India
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Flaw in many home pregnancy tests can return false negative results
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Positive to Negative Pregnancy Test | Sometimes a woman gets a positive test followed by a negative. This sometimes happens when one test is less sensitive than another. But if a positive...
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File:Negative Pregnancy Test.JPG - Wikimedia Commons
Could the Results of My Home Pregnancy Test Be Wrong? - Life's Choices
