Leslie Moroz

Leslie Moroz, MD, is an Associate Professor in the Department of Obstetrics, Gynecology & Reproductive Sciences at Yale School of Medicine. She specializes in maternal-fetal medicine, focusing on high-risk pregnancies involving hypertension, diabetes, autoimmune/infectious diseases, congenital heart disease, pulmonary hypertension, and organ transplant histories. Dr. Moroz practices at Greenwich Hospital and teaches residents/fellows at Yale New Haven Health. She holds board certifications in Maternal-Fetal Medicine, Critical Care (OB/GYN), and Obstetrics & Gynecology.

Dr. Moroz completed a maternal-fetal medicine fellowship, followed by a critical care fellowship and work in cardiothoracic/surgical ICUs. She earned a master’s degree in biostatistics to strengthen her clinical research expertise. Her research addresses critical illness in obstetrics, care disparities, and regional pregnancy outcome variations. She co-edited Critical Care Obstetrics and collaborates with a national network on obstetric critical care.

Her clinical philosophy emphasizes patient-centered care, supporting families through complex pregnancies to achieve healthy outcomes. She highlights the dual responsibility of caring for both mother and fetus as a defining aspect of her work.