Frances High, M.D., PH.D.

Frances High, M.D., Ph.D., is a pediatric medical geneticist at Massachusetts General Hospital in Boston who specializes in diagnosing and managing genetic conditions affecting children, with particular expertise in congenital heart defects, congenital diaphragmatic hernia, and neurodevelopmental disorders. Her research focuses on understanding how genetic and molecular changes—including rare genetic variations and RNA modifications—contribute to birth defects and childhood conditions, with the