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 ...

Race, breast density, medical history and imaging facility affiliation can influence the likelihood of false-negative mammogram results, according to a study published Oct. 22 in the American Journal ...

Please provide your email address to receive an email when new articles are posted on . All participants showed no false-negative results when tested 2 weeks after anaphylactic reaction to food ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The key difference between a false positive and a false negative is that a false positive ...