Verkkohere's how to tell the difference between a true positive pregnancy test and an evaporation line, plus tips for avoiding an evaporation line on blue dye.

The average test takes about three minutes to show signs of a positive pregnancy test.

Verkkoif hcg is present, then the second line, the “control line,” will turn pink or blue.

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In this article, you’ll learn how to tell the difference.

Verkkoa vague result might indicate a very faint positive pregnancy test or even just an evaporation line.

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