Evaporation line on pregnancy test

Are you having a hard time telling if your test result is a faint positive or evaporation line? Kenosha Gleaton. Peeing on a stick affectionately known as POAS can bring a lot of emotions and sometimes confusion. Home pregnancy tests might be convenient, evaporation line on pregnancy test, but they may also leave you with questions: Is it a false positive or negative?

The last thing you need are unclear results. So what is an evaporation line on a pregnancy test? Dye-based home pregnancy tests work by detecting the pregnancy hormone human chorionic gonadotropin hCG in your urine, says Kelli Burroughs , MD, a gynecologist in Houston. The first line is a control line, which displays regardless of whether you have a positive or negative result. The second line is a test line, and only pops up if you have detectable levels of hCG in your urine.

Evaporation line on pregnancy test

You want to see an easy-to-read result — but unfortunately, the reality of taking pregnancy tests is that the results can sometimes be challenging to interpret. Faint lines, evaporation lines, indent lines, and more can put a damper on your pregnancy testing experience. Instead of getting excited about the results, you may find yourself confused or disappointed by a difficult-to-read result. This blog post will teach you how to make sense of confusing pregnancy test lines — including faint lines, evaporation lines, and indent lines — so you can go into your pregnancy testing experience feeling confident and capable of interpreting your test. Home pregnancy tests use the concentration of the pregnancy hormone hCG human chorionic gonadotropin found in urine to determine whether or not you are pregnant. They do this by comparing your hCG levels to an average threshold of hCG found in early pregnancy. Most pregnancy tests show two lines: a control line and a test line. The control line appears to show that you have tested properly, while the test line appears only if the test determines that you are pregnant. You generally have the choice between three types of home pregnancy tests: mid-stream, dropper, and dip tests. Often, you must wait a few minutes before the pregnancy test shows a result.

How to identify an evaporation line on a pregnancy test? Thanks for your feedback! An evaporation line does not indicate pregnancy.

In some cases, what looks like a positive pregnancy test result may actually be an evaporation line, also called an evap line. Here's how to tell the difference. If you're hoping for a positive pregnancy test, you may find yourself squinting at the test stick, willing two solid lines to appear. And if you wait long enough, both lines may indeed show up— but that doesn't necessarily mean you're pregnant. In some cases, what looks like a positive result may actually be an evaporation line or evap line. So what is an evaporation line?

It can sometimes be hard to tell whether that subtle, extra line on a pregnancy test is a positive result. An evaporation line or evap line typically appears as a faded streak, while a faint positive pregnancy test result looks like a lighter blue or pink line, depending on the test dye color. Because interpreting your at-home pregnancy test can occasionally be tricky, this article covers evaporation lines and faint positives, tips to get accurate results, and what to do if you don't. At-home pregnancy tests check your urine for human chorionic gonadotropin HCG , a hormone released by your body when a fertilized egg implants in the lining of your uterus. If one line the control line, which confirms the test is working appears on a non-digital test, it most often means you are not pregnant. If your test shows both the control line and a line in the test result window, this typically indicates pregnancy. Pregnancy tests are most accurate when taken after you have missed a period. Some at-home early pregnancy tests can be used to detect a pregnancy up to 10 days before a missed period, but these results are less reliable.

Evaporation line on pregnancy test

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Healthline only shows you brands and products that we stand behind. The second line may be an evaporation line. This line can appear in the results window of a pregnancy test as the urine dries. You can pick up a home pregnancy test at your local drugstore or online. These tests are 97 to 99 percent accurate. But sometimes, the results are confusing.

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An evaporation line is a line that appears in the results window of a pregnancy test as the urine dries. So, if you see a faint line on your home pregnancy test, this simply means that the hCG hormone level in your urine is low, and you want to try again in the morning when it's more concentrated or levels have risen. The compounds in home pregnancy tests interact with hCG, and a positive result will often look like a line, a dot, or a plus sign. Usually, the cause of a faint line on a pregnancy test is the result of testing too early. Check for other pregnancy symptoms. An evaporation or evap line is a slight, typically colorless streak on an at-home pregnancy test that can cause confusion. Related Articles. Here's how to tell the difference between a true positive pregnancy test and an evaporation line, plus tips for avoiding an evaporation line on blue dye or pink dye pregnancy tests. An evaporation line on a pregnancy test appears after the reaction time. Whether you've been enduring the two-week wait or you're taken by surprise by a missed period , you know it's time to take a pregnancy test. We'll tell you what's in it and if it's safe and effective. Meet Our Medical Expert Board. In early pregnancy, there may be very little hCG in the urine, and the positive line may be faint. For all of these tests, the most important step is reading the instructions first. Share on Pinterest.

Is it a faint positive — or an evaporation line? Here's what each signifies on a pregnancy test, and how to tell the difference.

If one line the control line, which confirms the test is working appears on a non-digital test, it most often means you are not pregnant. An evap line evaporation line is a faint line that appears after a negative test has dried. What not to do before taking a pregnancy test By Colleen de Bellefonds. Before discussing the difference between a faint positive line and an evaporation line on a pregnancy test result, it helps to know what can cause a faint positive test result. If this type of streak appears, it usually means that a person has read the results too late or has otherwise misused the test. Is there a faint color to the line that's the same shade as the control line usually blue or pink? How to identify an evaporation line on a pregnancy test. Should you go digital? If you are confused by the results of your pregnancy test, try a different type of home pregnancy test. Differences in Results. Most home pregnancy tests need to be interpreted within two to five minutes of urination, adds Dr. Waiting for the results of a pregnancy test can be agonizing. Homemade pregnancy tests: Do they work? When urine sits on the test for too long past the reaction time, it'll dilute and dry out—causing an evaporation line.