Are Pregnancy Tests Usually Accurate?

According to pregnancy kit manufacturers, most at-home pregnancy tests are 97% to 99% accurate when you use them as instructed. Positive results can be trusted, but you can get a falsely negative result very early in pregnancy.

How common are false negative pregnancy tests?

Getting a false-negative pregnancy test because of the hook effect is rare. False-negative test results can happen for many reasons. One older study that tested 27 different kinds of at-home pregnancy tests found that they gave false negatives almost 48 percent of the time.

Is there any reason a pregnancy test could be wrong?

Could a positive result be wrong? Although rare, it's possible to get a positive result from a home pregnancy test when you're not actually pregnant. This is known as a false-positive.