A false positive pregnancy test result is uncommon, but it can happen. Learn how things like medications and medical ...

But can a pregnancy test be wrong? On some rare (and we mean very rare) occasions, your test might display a false result.

It can cause a false positive result or a faint line on a pregnancy test because the brief pregnancy produces a small amount of hCG in your body. You made a mistake in taking the test.

The lawsuit against Natera, and a similar one against Myriad Genetics, followed a New York Times report last year that prenatal tests that screen for genetic disorders such as Down syndrome early in a ...