Evaporation line pregnancy test

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 BurroughsMD, a gynecologist in Houston.

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 pregnancy test

An evaporation line is a small streak where the positive line should be on a pregnancy test. It only appears on tests that show negative results, meaning it does not indicate pregnancy. Taking a pregnancy test can be a nerve-racking experience, especially when it is difficult to understand what the lines on the test mean. An evaporation line does not indicate pregnancy. If this type of streak appears, it usually means that a person has read the results too late or has otherwise misused the test. A positive test would change color in the same spot, blotting out the evaporation line. For most people, getting an accurate result merely involves taking another test. Some people take pregnancy tests too early to receive accurate positive results. It may be a good idea to wait for a few days before taking another test. An evaporation line is a slight streak that appears where the positive line on a pregnancy test should be. Evaporation lines are colorless streaks, not faint lines. They typically appear if a person waits for longer than the suggested time to read the test result.

After typical implantation, the body starts to produce a hormone called human chorionic gonadotropin hCG.

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?

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 line 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.

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Testing first thing in the morning, or the first time you use the bathroom on a given day, is also a good idea. Health London. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Medically reviewed by Rachel Gurevich, RN. Are You Pregnant? We avoid using tertiary references. This does not activate the dye in the test, so evaporation lines often appear colorless or translucent. Related Articles. Should you go digital? False negatives are more common than false positives. A positive result will generally show two lines while the negative test will show only one the control 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.

When the test line appears but you are not pregnant, this is considered a false-positive result. Find out what the recommended dosage is, how to apply the drug, and more. These might be blue or pink, depending on the specific test. Urine hCG concentrations are often highest when a person wakes up. Learn how we ensure the accuracy of our content through our editorial and medical review process. Evaporation lines are actually streaks and not faint lines. Create profiles for personalised advertising. Download The Bump App for daily pregnancy and newborn updates with our free app. Every home pregnancy test comes with instructions. It only appears on tests that show negative results, meaning it does not indicate pregnancy. Medically reviewed by Katerina Shkodzik, M. This can reduce the risk of false negatives.