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Lemons2015 · 12/04/2016 17:56 Can anyone see a line on this First Response pregnancy test? When I hold the phone away from me I think I can see a line?  Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please or to access all these features Please create an account To comment on this thread you need to create a Mumsnet account. Active Watching Home Search By Lindsay Meisel | Published May 18, 2017 | Last updated Dec 10, 2019 ✓ Fact checked Oh, the dreaded confusion between a positive pregnancy test and an evaporation line. If you’ve ever tossed a negative pregnancy test in the trash, only to dig it out hours later and be shocked by that second line, you know what we’re talking about. In most cases, it’s not a true positive, but rather a very cruel and confusing phenomenon called an evap line. You may already know when to take a pregnancy test and how to avoid a false negative pregnancy test. But do you know how to ensure the second line is a true positive? To understand why evap lines happen and how to avoid them, let’s first go over the anatomy of a pregnancy test. How do pregnancy tests work?There are three types of home pregnancy tests (HPT): mid-stream tests, dip tests, and dropper tests.
For all of these tests, the most important step is reading the instructions first. Different tests contain different instructions, and sometimes, a single box of tests contains different types, where the instructions are slightly different for each test. Be sure to read the instructions thoroughly so you don’t waste your pee! When the wait time has passed, you look into the results window to determine whether the test is positive or negative. Positive tests carry a plus sign, two lines, or an explicit message like “pregnant” or “yes.” The tests that show two line results have two hidden “indent” lines where the ink pools: one for the control line, and one for a potential positive result. As the ink moves across the result window, it collects in these one or both of these indents. What is an evap line and how is it different from a positive pregnancy test?An evap line (evaporation line) is a faint line that appears after a negative test has dried. Because tests are typically meant to be read three to five minutes after they are taken, the tests are still damp at the time they are read. After this time frame passes, the urine in the test dries. As the ink makes its way across the screen, the result is displayed. Sometimes, as the ink moves across the screen, a little bit of ink will accidentally get caught in the indent line. As the test dries and the urine evaporates, this caught ink is pulled to the surface and becomes darker. This is why the most important rule for getting a true positive pregnancy test is: do not read them after the allotted time! The results are only accurate in the time frame specified in the instructions. Evap lines can be very deceiving How to distinguish a faint positive pregnancy test from an evapOkay, so now you know how to spot a false positive pregnancy test. But what about when you see a faint line on a pregnancy test within the time frame allotted by the test? How do you know it’s really a positive pregnancy test?
What does it mean if there is a line with no color?On a dip test, a positive pregnancy result is two lines of the same color. If there is a very faint second line with no color at all, it’s possible for it to be an indent line. Remember the discussion above about indent lines and the way pregnancy tests work? In the same way that ink may accidentally pool in the indent line, the indent line itself may sometimes become barely visible. If your second line appears gray or colorless, it is probably an indent and not a true positive pregnancy test. By Lindsay Meisel | May 18, 2017 Lindsay MeiselWhat does a GREY line on a pregnancy test mean?They typically appear if a person waits for longer than the suggested time to read the test result. An evaporation line can also appear if the test gets wet. An evaporation line does not indicate pregnancy.
What is a ghost line on a pregnancy test?An evaporation line is a line that appears in the results window of a pregnancy test as the urine dries. It can leave a faint, colorless line. If you're not familiar with evaporation lines, you might see this line and think you're pregnant.
Does the color of the line on a pregnancy test matter?When taking a pregnancy test, any line in the test indication area is considered a positive pregnancy test, even if it is lighter than the control line. The darker line is usually the control line. Sometimes this second line is so faint, you can barely see it.
Can an EVAP line show up immediately?2 The evaporation line does not show up until after the pregnancy test reading window of time to accurately get your results. So you will not need to worry about an evaporation line if you read the pregnancy test within the time frame specified in the instructions that came with your test.
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Grey line on first response pregnancy test
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