Add Yahoo as a preferred source to see more of our stories on Google. A false positive pregnancy test result is uncommon, but it can happen. Learn how things like medications and medical conditions ...

Add Yahoo as a preferred source to see more of our stories on Google. Home pregnancy test results are only accurate within the first 10 minutes, so read results promptly to avoid misleading lines.

Imagine this: a man takes a pregnancy test as a joke or out of curiosity, only to see two pink lines appear. It sounds impossible, even funny, but doctors warn that such a result should never be ...