Mary E. Norton, MD is Professor of Obstetrics, Gynecology, and Reproductive Sciences; David E. Thorburn, MD and Kate McKee Thorburn Endowed Chair in Perinatal Medicine and Genetics; Vice Chair, Clinical and Translational Genetics; and Director, Program in Genetic and Genomic Prenatal Medicine at the University of California at San Francisco. She is author of Callen’s Ultrasonography in Obstetrics and Gynecology, 6th Edition and a co-author of Perinatal Genetics.

Dr. Norton received her medical degree from University of Washington, Seattle. She did her residency at Tufts University and performed a fellowship in Maternal-Fetal Medicine and Clinical Genetics at UCSF Medical Center.

Dr. Norton’s research and clinical interests include reproductive genetics, obstetrical ultrasound, genetic screening, chromosomal microarray analysis, cell free DNA analysis, non-invasive prenatal testing, patient preferences, patient and provider education, decision analysis, and whole exome/genome sequencing. She has received numerous awards and honors, including Top 5% Peer-Reviewer, American Journal of Obstetrics & Gynecology; Outstanding Resident Teaching Award, UCSF School of Medicine; Best Doctors in America: Maternal Fetal Medicine and Clinical Genetics; and Dru Carlson Award for Best Research in Ultrasound and Genetics, Society of Maternal Fetal Medicine.