Mary Norton, MD

Chair, Obstetrics, Gynecology and the Reproductive Sciences
Perinatologist and Medical Geneticist

Mary E. Norton is a perinatologist and clinical geneticist at UCSF Medical Center's Prenatal Diagnostic Center. She primarily cares for pregnant women who have a fetus with a birth defect or genetic disorder or are at risk for such a condition. Norton performs obstetrical ultrasounds, counsels women in whom ultrasound detects a problem with the fetus and performs such prenatal tests as amniocentesis and chorionic villus sampling. She also interprets complex genetic tests, especially when abnormalities are found. Her areas of interest in research include applying new genetic tests to prenatal diagnosis and fetal disease, as well as patient decision-making around genetic testing and obstetrical ultrasound. She is also the chair of the obstetrics, gynecology and reproductive sciences at UCSF.

Norton earned her undergraduate degree at the University of Washington in 1982. She completed her internship and residency in Obstetrics and Gynecology at Tuft University in Boston in 1990. She completed a fellowship in Maternal Fetal Medicine and Clinical Genetics at UCSF in 1993. After several years at Brigham and Women's Hospital and Harvard Medical School, she returned to San Francisco where she joined UCSF Medical Center in 1998. She is a professor of obstetrics, gynecology and reproductive sciences at UCSF.

Conditions & Treatments

More about Mary Norton


University of Washington School of Medicine 1986


Tufts-New England Medical Center, OB/GYN 1987


Tufts-New England Medical Center, OB/GYN 1990
UCSF Medical Center, Genetics/Maternal Fetal Medicine 1993

Selected Research and Publications

  1. Premkumar A, Baer RJ, Jelliffe-Pawlowski LL, Norton ME. Hypertensive Disorders of Pregnancy and Preterm Birth Rates among Black Women. Am J Perinatol. 2018 Jul 06.
  2. Jelliffe-Pawlowski LL, Rand L, Bedell B, Baer RJ, Oltman SP, Norton ME, Shaw GM, Stevenson DK, Murray JC, Ryckman KK. Correction: Prediction of preterm birth with and without preeclampsia using mid-pregnancy immune and growth-related molecular factors and maternal characteristics. J Perinatol. 2018 Jun 25.
  3. Jelliffe-Pawlowski LL, Rand L, Bedell B, Baer RJ, Oltman SP, Norton ME, Shaw GM, Stevenson DK, Murray JC, Ryckman KK. Prediction of preterm birth with and without preeclampsia using mid-pregnancy immune and growth-related molecular factors and maternal characteristics. J Perinatol. 2018 May 24.
  4. Fox NS, Monteagudo A, Kuller JA, Craigo S, Norton ME. Society for Maternal-Fetal Medicine (SMFM) Consult Series #45: Mild fetal ventriculomegaly: Diagnosis, evaluation, and management. Am J Obstet Gynecol. 2018 Apr 26.
  5. Hannibal RL, Cardoso-Moreira M, Chetty SP, Lau J, Qi Z, Gonzalez-Maldonado E, Cherry AM, Yu J, Norton ME, Baker JC. Investigating human placentation and pregnancy using first trimester chorionic villi. Placenta. 2018 May; 65:65-75.
  6. Shaffer BL, Norton ME. Cell-Free DNA Screening for Aneuploidy and Microdeletion Syndromes. Obstet Gynecol Clin North Am. 2018 Mar; 45(1):13-26.
  7. Filly RA, Norton ME. Obstetric Sonography: Why Are We Still Terrifying Pregnant Women? J Ultrasound Med. 2018 Feb 26.
  8. Hui L, Norton M. What is the real "price" of more prenatal screening and fewer diagnostic procedures? Costs and trade-offs in the genomic era. Prenat Diagn. 2018 Mar; 38(4):246-249.
  9. Chitty LS, Hudgins L, Norton ME. Current controversies in prenatal diagnosis 2: Cell-free DNA prenatal screening should be used to identify all chromosome abnormalities. Prenat Diagn. 2018 Feb; 38(3):160-165.
  10. Sperling JD, Sparks TN, Berger VK, Farrell JA, Gosnell K, Keller RL, Norton ME, Gonzalez JM. Prenatal Diagnosis of Congenital Diaphragmatic Hernia: Does Laterality Predict Perinatal Outcomes? Am J Perinatol. 2018 Jan 05.
  11. Chisholm KM, Norton ME, Penn AA, Heerema-McKenney A. Classification of Preterm Birth With Placental Correlates. Pediatr Dev Pathol. 2018 Jan 01; 1093526618775958.
  12. Parchem JG, Sparks TN, Gosnell K, Norton ME. Utility of chromosomal microarray in anomalous fetuses. Prenat Diagn. 2018 Jan; 38(2):140-147.
  13. Wing DA, Haeri S, Silber AC, Roth CK, Weiner CP, Echebiri NC, Franco A, Pappas LM, Yeast JD, Brebnor AA, Quirk JG, Murphy AM, Laurent LC, Field NT, Norton ME. Placental Alpha Microglobulin-1 Compared With Fetal Fibronectin to Predict Preterm Delivery in Symptomatic Women. Obstet Gynecol. 2017 Dec; 130(6):1183-1191.
  14. Steurer MA, Baer RJ, Keller RL, Oltman S, Chambers CD, Norton ME, Peyvandi S, Rand L, Rajagopal S, Ryckman KK, Moon-Grady AJ, Jelliffe-Pawlowski LL. Gestational Age and Outcomes in Critical Congenital Heart Disease. Pediatrics. 2017 Oct; 140(4).
  15. Norton ME. Expanded Carrier Screening: A Rational Approach to Screening for Rare Diseases. Obstet Gynecol. 2017 Aug; 130(2):260-261.
  16. Ali MM, Chasen ST, Norton ME. Testing for Noonan syndrome after increased nuchal translucency. Prenat Diagn. 2017 Aug; 37(8):750-753.
  17. Moon-Grady AJ, Baschat A, Cass D, Choolani M, Copel JA, Crombleholme TM, Deprest J, Emery SP, Evans MI, Luks FI, Norton ME, Ryan G, Tsao K, Welch R, Harrison M. Fetal Treatment 2017: The Evolution of Fetal Therapy Centers - A Joint Opinion from the International Fetal Medicine and Surgical Society (IFMSS) and the North American Fetal Therapy Network (NAFTNet). Fetal Diagn Ther. 2017; 42(4):241-248.
  18. Steurer MA, Peyvandi S, Baer RJ, MacKenzie T, Li BC, Norton ME, Jelliffe-Pawlowski LL, Moon-Grady AJ. Epidemiology of Live Born Infants with Nonimmune Hydrops Fetalis-Insights from a Population-Based Dataset. J Pediatr. 2017 Aug; 187:182-188.e3.
  19. Sparks TN, Thao K, Norton ME. Mosaic trisomy 16: what are the obstetric and long-term childhood outcomes? Genet Med. 2017 Oct; 19(10):1164-1170.
  20. Steurer MA, Norton ME, Baer RJ, Shaw GM, Keating S, Moon-Grady AJ, Chambers CD, Jelliffe-Pawlowski LL. The association of maternal lymphatic markers and critical congenital heart defects in the fetus-A population based case-control study. Am J Med Genet A. 2017 May; 173(5):1231-1236.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.