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.

Verkkowhen taking a home pregnancy test, it is important to interpret the results correctly.

An evaporation line (or evap line) is a faint line on a pregnancy test that shows up after urine dries on.

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One potential source of confusion is the presence of an.

These lines usually show up.

Verkkowhat is an evaporation line on a pregnancy test?

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