Dr. Phil featured women on his talk show who believed they had been pregnant for years with a cryptic pregnancy. Despite negative urine and blood tests, and medical imaging of their abdomens showing no pregnancy, the women persisted in their belief they were pregnant, including one who had had a tubal ligation in her early 20's.[7] Dr. Thais Aliabadi was the expert guest on the show and explained that many women claim to have a cryptic pregnancy to explain physical symptoms they associate with pregnancy, such as weight gain in the abdomen, mood swings, sore breasts and food cravings.[8]