Learn more about how these tests work, what evaporation lines are, and why some testers prefer pink. Choosing a pregnancy test can seem complicated. Are pink or blue dye tests better?

A faint positive vs. evaporation line. Here's where things get even more complicated: You might see an unclear result if you don't check your pregnancy test soon enough (usually within five to 10 ...

Why you should NEVER use a blue-dye pregnancy test, according to TikToker who says they're notorious for misleading results A so-called 'evaporation line' on blue dye tests has caused confusion ...

Important: If a test gets wet or is left out too long, an evaporation line, which is a faint streak may appear on a pregnancy test. This does not mean you're pregnant. This line should be ...

Seeing two lines on a pregnancy test doesn’t necessarily mean you’re pregnant. The second line may be an evaporation line. This line can appear in the results window of a pregnancy test as the ...