Evaporation lines on a pregnancy test

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Is it a faint positive — or an evaporation line? Here's what each signifies on a pregnancy test, and how to tell the difference. 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. But wait, is that a faint line you see? Reading a home pregnancy test can be confusing, and if you're really wanting to get pregnant or hoping to not be pregnant , it's nerve-wracking when you can't tell an evaporation line from a faint positive. An evaporation line or "evap line" is a faint line on a pregnancy test that shows up after urine dries on a testing strip.

Evaporation lines on a 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, 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? If you get a faint line, how do you know if that's a positive result or an evaporation line? This guide will walk through how to tell the difference between a faint positive pregnancy test result vs an evaporation line, and how to avoid getting evaporation lines. If taking an at-home urine pregnancy test, you may end up seeing a faint line. But what exactly can a faint line mean? There's two possibilities: it could mean a positive test result or it could be an evaporation line. An evaporation line on a pregnancy test is a faint line or rather, mark caused by a test reaction that occurs when the urine evaporates, or when the test gets wet. Sometimes this line appears in the test window, making it look like a faint positive result.

Taking a test first thing in the morning can increase the chances of an early positive result. Often, you must wait a few minutes before the pregnancy test shows a result.

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.

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.

Evaporation lines on a 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.

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They typically appear if a person waits for longer than the suggested time to read the test result. They are named this way because they are slightly indented so the ink will not spill out. How to avoid getting an evaporation line on a pregnancy test. Early morning. Daily Wellness Digestive Health. This happens if the urine being tested has dried beyond the reaction time of the test. Yet, a faint positive line can be mistaken for an evaporation line on a home test. You may accept or manage your choices by clicking below, including your right to object where legitimate interest is used, or at any time in the privacy policy page. Gnoth C, Johnson S. Medically Reviewed by Dr. If the result is negative, it may be a good idea to take another test in a few days, to give the hCG levels a chance to rise. See Our Editorial Process.

The last thing you need are unclear results.

Kelli Burroughs , MD, is a gynecologist in Houston. Some pregnancy tests promise to detect pregnancy 5 or more days before a missed period. This line occurs when the urine on the test strip begins to dry, leaving behind a residue. Reading the test after the specified time period can lead to the appearance of an EVAP line. And if you're still not sure? She's raising her toddler daughter and newborn son with her French husband in Paris. Urine hCG concentrations are often highest when a person wakes up. Understanding these causes can help you differentiate between the two: 1. Find out what the recommended dosage is, how to apply the drug, and more. So what is an evaporation line? Some believe that aspects of pregnancy show that the baby will be a boy. This is the window to receive an accurate result, and it varies by brand. It is also recommended to always test with morning urine when hCG levels are the most concentrated.