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How long will the pinkish-purple line remain visible to show someone?

April 26, 2017line remain visible

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How long will the pinkish-purple line remain visible to show someone?

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The test should be repeated within 10 minutes for best results. A positive (pregnant) result will never disappear. The colored line may become darker and a tinted background may appear after several hours. Some negative results may later display a faint second line because of evaporation from the test window, which prevents complete migration of the test chemicals. However, if the result read within 10 minutes appears negative (no line in the test window) you are not pregnant.