Evaporation line on a pregnancy test | 合法醫療器材資訊網

2018年7月31日—Howdopregnancytestswork?Positivetestvs.evaporationline;Prevention;Takeaway.Weincludeproductswethinkareusefulforourreaders.

A pregnancy test may show a small streak where the positive line should be. This is called an evaporation line. 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 ...