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 ...

It was anything but a bundle of joy. A woman was diagnosed with a rare and aggressive form of cancer after experiencing symptoms that led doctors to initially believe she was pregnant. But instead of ...

Home pregnancy tests are convenient and generally reliable, but there can be situations where they show a false positive. A false positive means the test indicates pregnancy when you're not actually ...

Evaporation lines on pregnancy tests are faint and colorless, appearing when the urine dries. Reading a pregnancy test within the recommended timeframe can prevent misinterpreting evaporation lines as ...

Medically reviewed by Kiarra King, M.D. Expecting twins can rarely cause a false negative pregnancy test due to something called the "hook effect." It's best to test after a missed period for the most ...

When you take a home pregnancy test, you'll see lines indicating your results. One line confirms the test is working (control line), and a second line shows if you're pregnant (test line). Any second ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health ...