Unlike a positive testline that is in full color, an evaporationline is faint, colorless, and may even appear translucent. Evaporationlines can occur if you wait too long to interpret the results of the test. They can also occur if the test becomes wet or if it’s not taken correctly.

Context Explanation

How to avoid evaporationline. Seeing two linesonapregnancytest doesn’t necessarily mean you’re pregnant. The second line may be an evaporationline. This line can appear in the results window of apregnancytest as the urine dries.

Insight Material

EvaporationLine or Positive PregnancyTest? How to Tell.An evaporationline is a faint, colourless or grey mark that can appear as urine dries on the test strip. It does not contain dye. It often shows up after the reading window has passed or when the test is over-saturated. Finding apregnancytestevaporationline isn’t uncommon.

Final Conclusion

In most cases, it develops when you wait longer than the recommended time to read your test’s result. Seeing a barely noticeable line in your results might feel confusing. Why Do EvaporationLines Occur?