Evaporation pregnancy test line

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, evaporation pregnancy test line. The second line may be an evaporation line.

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.

Evaporation pregnancy test line

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. You should also make sure to take a pregnancy test at the right time — typically two weeks after the date of ovulation read more about how to use ovulation test strips correctly — to ensure you do not receive a false-positive or false-negative result. After a few minutes, you can look at the test window to determine the result of your pregnancy tests. However, most pregnancy tests use a test line and a control line. When the test line is faint or evaporated, it can be challenging to determine whether you are actually pregnant. Pregnancy tests try to make the testing process as simple as possible.

Share Feedback. Often, these lines will not go entirely across 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.

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.

Evaporation pregnancy test line

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.

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This hormone is released into the bloodstream once a fertilized egg implants in the uterus. This can result in a faint evaporation line or a false-positive result. Use science to get pregnant faster Track all key fertility hormones at once Order Now. In this article What is an evaporation line on a pregnancy test? Is it a faint positive — or an evaporation line? Generally speaking, you'll need to read pregnancy test results within 5 to 10 minutes of peeing on that stick to reduce the chances of seeing an evap line in your results. Chemical pregnancies, molar pregnancies, and ectopic pregnancies can all affect your pregnancy test results. Related Articles. Appearance An evaporation line is typically colorless and faint, while a faint positive result will have some color, even if it is very light. Develop and improve services. 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. Arch Fam Med. How we reviewed this article: Sources. Job Openings Careers Page.

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If this type of streak appears, it usually means that a person has read the results too late or has otherwise misused the test. By Alexandra Frost. It only appears on tests that show negative results, meaning it does not indicate pregnancy. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Urine hCG concentrations are often highest when a person wakes up. But if you continue to get evaporation lines, we suggest:. We link primary sources — including studies, scientific references, and statistics — within each article and also list them in the resources section at the bottom of our articles. A faint positive is a valid result and should not be confused with an EVAP line. Early pregnancy In the early stages of pregnancy, hCG levels may be low, leading to a faint positive result. Certain medical complications can also lead to a false-negative result. We avoid using tertiary references. Shop Products. This line can appear in the results window of a pregnancy test as the urine dries. Again, if you continue to receive false-positive results, speak with your doctor.