Blue Dye Pregnancy Test Evap Line Or Positive - A pregnancy test can give you a false negative with a colorless line appearing on the stick, also known as an evaporation line. This could happen if you take the test too early in pregnancy,. An evap line may be grayish or a very light blue on tests that use blue dye. The ttc community finds that the blue dye tests show evaporation lines more often than pink dye tests. Unlike a faint positive result, which will result in a light pink or blue line, an evaporation line does not activate the dye in the pregnancy test, so it may show up as a. Is a evap line on a blue dye pregnancy test thick or thin? Not sure, but can. : Retest after 1 more week. A home urine pregnancy test gives a reliable result 3 weeks after. So, let’s answer the big question, “does an evaporation line on a clear blue pregnancy test always indicate a positive pregnancy”?
A pregnancy test can give you a false negative with a colorless line appearing on the stick, also known as an evaporation line. This could happen if you take the test too early in pregnancy,. An evap line may be grayish or a very light blue on tests that use blue dye. The ttc community finds that the blue dye tests show evaporation lines more often than pink dye tests. Unlike a faint positive result, which will result in a light pink or blue line, an evaporation line does not activate the dye in the pregnancy test, so it may show up as a.