Beckwith-Wiedemann syndrome is an inherited growth disorder. Babies with this syndrome may have a range of symptoms. These symptoms may include large tongue (macroglossia), large organs (visceromegaly), large body size (macrosomia), abdominal wall defects (umbilical hernia or omphalocele), and overgrowth on one side of the body (hemihyperplasia/hemihypertrophy).
Review Date 4/14/2021
Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.