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

Verkkoif hcg is present, then the second line, the โ€œcontrol line,โ€ will turn pink or blue.

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.

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In this article, youโ€™ll learn how to tell the difference.

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