s5 Things That Can Cause a False-Positive Pregnancy TestWhen Whitney Way Thore the star of TLC’s reality show My Big Fat Fabulous Life took three pregnancy tests and each one was positive, she was pretty confident that she was pregnant. She even took a urine test at the doctor’s office, and it came back positive, too. It was amazing news for Thore, especially because she suffers from polycystic ovary syndrome, but it turned out that these positive pregnancy tests were “false positives”. Recently Dr. J contributed to an article in SELF Magazine discussing when and why false positive pregnancy tests happen. Check out the article HERE.