A false-negative pregnancy test may happen if you don't take the test first thing in the morning. It could also occur if you take the test less than 10 days after conception. Checking the results too ...

Medically reviewed by Kiarra King, M.D. Key Points 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 ...

Home pregnancy tests are miraculous little tools: They deliver fast results, are pretty simple to use, and can cost as little as a dollar. But they're not without their quirks – including the ...

There are two types of pregnancy tests: urine and blood. Both test for the hormone called human chorionic gonadotropin (hCG), which you start producing after implantation. But only one test expires.

If you're expecting multiples, it's possible to get a false negative pregnancy test result, though it's not very common. Here's the reason behind this rare phenomenon. If you’re trying to conceive a ...