Evaporation line on pregnancy test

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 evaporation line on pregnancy test 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.

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, but they may also leave you with questions: Is it a false positive or negative? Why do I see faint lines? What could a faint line on a pregnancy test mean?

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. Some pregnancy tests involve two lines: a control line and a test line. The control line appears on every test, but the test line only appears if there are levels of the pregnancy hormone in your urine. The second line could be an evaporation line. When you schedule an appointment with your doctor to confirm a pregnancy, your doctor may take a urine or blood sample. A lab checks these samples for a hormone the body produces during a pregnancy, called human chorionic gonadotropin hCG. This hormone is released into the bloodstream once a fertilized egg implants in the uterus. The body produces a low level of hCG during early pregnancy.

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Oh, the dreaded confusion between a positive pregnancy test and an evaporation 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? 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.

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.

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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Health Conditions Discover Plan Connect. Already a member? On a dip test, a positive pregnancy result is two lines of the same color. If unsure about your at-home pregnancy test results, try testing again the next day. Does an evap line mean pregnancy? You may be able to have blood tests done to see if your hCG levels rise. How to Avoid Getting an Evaporation Line on a Pregnancy Test When you think you might be pregnant, the last thing you need is uncertainty. What to do if you suspect an evaporation line on a pregnancy test. This is why the most important rule for getting a true positive pregnancy test is: do not read them after the allotted time! All content produced by Mira meets stringent editorial standards, ensuring excellence and accuracy in language and medical precision. It only appears on tests that show negative results, meaning it does not indicate pregnancy. A person who believes that they are on day 11 can often expect an accurate result, but if they are actually on day 9 after ovulation, the test may not be able to detect pregnancy accurately.

The last thing you need are unclear results. So what is an evaporation line on a pregnancy test?

Starting a Family. Food and Drug Administration. Image: Angie Ferguson Shutterstock. The Different Types of Pregnancy Tests and How They Work 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. As the test dries and the urine evaporates, this caught ink is pulled to the surface and becomes darker. Was this helpful? 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. By Lindsay Meisel May 18, While this could mean that you are pregnant, it could also indicate other health concerns. Usually, the cause of a faint line on a pregnancy test is the result of testing too early. Take a look at the thickness of the line.