Yvonne S. Thornton, M.D., is a double Board-certified specialist in obstetrics, gynecology, and maternal-fetal medicine. She received her medical degree from Columbia University College of Physicians and Surgeons. She is presently a Hospital Center in New York City. Dr. Thornton lives in New Jersey with her husband, an orthopedic surgeon. Her son is a graduate of Harvard University and her daughter is presently attending Stanford University.