Most pink dye tests have a hCG threshold of 25 mIU/mL, meaning that when it detects at least that amount of hCG in your urine, it will produce a positive result.

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 ...

Home pregnancy tests aren't foolproof. If you receive a positive result — even if you suspect it's false — make an appointment with a healthcare professional.

As the weeks pass, your body will produce more hCG, making it more probable that a pregnancy test will come back positive. ... If both pink lines appear, this indicates you are pregnant.

It’s possible for any pregnancy test to give false positive or false negative results. ... Clearblue Early Detection tests use pink dye, which we found makes the results much easier to read.

Pregnancy tests with blue or pink dye typically show one line if the result is negative and two if hCG is detected, ... How long after a faint positive should I test again?