What is an evap 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 pregnancy test, you may find yourself squinting at the test stick, willing two solid lines to appear.

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.

What is an evap 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, 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.

This is probably a faint positive result.

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.

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. An evaporation line is a faint, colorless line that appears in the results window of an at-home pregnancy test.

What is an evap line on 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.

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Occasionally, faint lines on a pregnancy test can be due to health issues such as ectopic pregnancy, pituitary gland tumors, or ovarian cysts. But they're less convenient, and results take longer to come back, so they're not as frequently used. What to do about an evaporation line on a pregnancy test. This second line should be the same color as the control line, although it can range from very light to very dark depending on how much hCG there is in your body. Share on Pinterest. As the pregnancy test begins to dry, your urine starts to evaporate, pulling the small amount of stuck ink up to the top of the line. Fortunately, accurate testing methods are readily available. An evaporation line does not indicate pregnancy. Learn more about…. 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. Featured Supplements Tests. Still, evaporation lines can be very difficult to distinguish from faint positive pregnancy tests, which happen on rare occasions. Written by Shelby Hale for Mira. But an evaporation line may be thicker or more blurry, thinner or nearly undetectable, or it may even show up as an incomplete line. False positives: Can a pregnancy test be wrong?

Search thousands of pregnancy to pre-school related groups, classes and resources:. Unfortunately, with evaporation lines at play, interpreting your pregnancy test results can be a little more challenging than that.

Measure content performance. How can I avoid an evaporation line on a pregnancy test? How to identify an evaporation line on a pregnancy test. She has over a decade of experience writing about science, technology, and health, with a focus on women's health and the menstrual cycle. If both indent lines are filled and appear dark in color, this indicates that you are most likely pregnant. An evaporation line is a faint, colorless line that appears in the results window of an at-home pregnancy test. In early pregnancy, there may be very little hCG in the urine, and the positive line may be faint. Customer Support support natalist. Tests that can detect smaller concentrations of hCG in the urine are more likely to show positive results earlier. Okay, so now you know how to spot a false positive pregnancy test. 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. What is your feedback?