An evaporation line develops when the urine on the test area begins to dry, leaving a faint ... Evaporation lines can cause confusion if the home pregnancy test is not interpreted within the clinically ...
... in urine to aid in the early detection of pregnancy. The test utilizes ... usually 5 minutes) an evaporation line can develop as the urine dries on the test area
... should I read the pregnancy test? A: Read the test result 3 minutes after dipping the test strip in your sample. Faint positive readings that develop after 3 minutes may be only an evaporation line.
A positive pregnancy test will display a "control line" and a "test line". The control ... well after the given reaction time of the test. In other words, if you see an evaporation line, you ...
Home pregnancy test hCG levels & frequently asked questions ... After 7 minutes that dye can break through and you may see an evaporation line. The test is now listed as ...