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. Verkkoa vague result might indicate a very faint positive pregnancy test or even just an evaporation line. In this article, you’ll learn how to tell the difference. Verkkoin some cases, what looks like a positive pregnancy test result may actually be an evaporation line, also called an evap line. Here's how to tell the. Here's what each signifies on a pregnancy test, and how to tell the difference.
