Thomas F. McElrath, MD, PhD, is a Professor of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School with a focus in Obstetrics and Gynecology. He is also a Professor in the Department of Epidemiology at the Harvard TH Chan School of Public Health.

Dr. McElrath’s clinical interests include the management of epilepsy and chronic neurologic disease during pregnancy,  the surgical and medical prevention of preterm birth, cerclage, cervical insufficiency, Crohn's disease, Ulcerative Colitis or inflammatory bowel disease in pregnancy.

Dr. McElrath practices at the  Brigham and Women’s Hospital in the Division of Maternal-Fetal Medicine. 

To view a full list of Dr. McElrath's 200+ publications, visit his PubMed page.

Education & Training

  • PhD: University of Pennsylvania,  1993
  • MD, Harvard Medical School, 1996
  • Residency: Brigham and Women’s Hospital/Massachusetts General Hospital Residency in OB/GYN, 2000
  • Fellowship: Brigham and Women’s Hospital, Division of Maternal-Fetal Medicine, 2002

Board Certifications

  • Obstetrics and Gynecology, American Board of Obstetrics and Gynecology, 2004
  • Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology, 2007

Honors & Awards

  • Boston Magazine Top Doctor, 2016-2022
  • America’s Top Doctors, Castle Connolly, 2016-2022
  • Distinguished teaching award, OB/GYN residents, Brigham & Women’s Hospital 2023