Dr. Thomas Jansson, the 2026 winner of the March of Dimes Agnes Higgins Award in Maternal-Fetal Nutrition, the Vice Chair of Research for the University of Colorado Anschutz Department of Obstetrics and Gynecology and the department’s Florence Crozier Cobb Endowed Professor and Chief of the Division of Reproductive Sciences, discusses his research showing that contrary to popular belief, it is not the fetus, but a placental protein signaling hub called mTOR, that is the primary architect of fetal growth.