What causes a false positive or false negative pregnancy test?
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Flaw in many home pregnancy tests can return false negative results – Washington University School of Medicine in St. Louis
Beware of "hook effect" giving false negative pregnancy test on point-of-care kits Yadav Y K, Fatima U, Dogra S, Kaushik A - J Postgrad Med
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Can You Get A False Positive Pregnancy Test Result?
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Every Explanation For a False Positive Pregnancy Test - FamilyEducation
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What is a False Negative Pregnancy Test?
