Verkkounderstand the difference between a faint line on a pregnancy test that means you're pregnant and an evap (evaporation) line that is colorless and. Faint positives on pregnancy tests appear within the reading window and are lightly colored, often indicating early pregnancy. Evaporation lines show up later and are colorless, just test artifacts.

How does an evaporation line compare to a faint line on a pregnancy test? How can i avoid an. 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 or.