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Yes a pregnancy test can show negative when you actually are pregnant. The most common false negative happens when there is not enough of the pregnancy hormone HGH to be detected as in early pregnancy. This is why some tests come with another test so that you may retest later. Concentrations of the hormone are higher and easier to detect when you first wake up before you drink anything or go to the bathroom.

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12y ago

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can atenolol cause a false negative on a pregnancy test