Life Katharine McPhee feared an eating disorder ‘relapse’ in pregnancy. She’s not alone. March 4, 2021March 5, 2021 Amy Haneline, USA TODAY Comments Off on Katharine McPhee feared an eating disorder ‘relapse’ in pregnancy. She’s not alone. Katharine McPhee's pregnancy brought a challenge: Her disordered eating thoughts returned. An expert shares why this can happen.