Taking a home pregnancy test can trigger many emotions -- excitement, anxiety, and if you’ve been unfortunate in receiving a negative test result after a negative test result, frustration and anger. False negative pregnancy tests are much more common than false positives. While a urinary tract infection (UTI) is unlikely to cause a false negative it could do so, at least in theory. If you have a UTI, see a doctor and then retake the test a few days later.