Dr. Mathew Sermer

Dr. Mathew Sermer

Obstetrics & Gynecologist-in-Chief
Sinai Health

Dr. Mathew Sermer is the Chief of Obstetrics & Gynecology of the Sinai Health. He is also the Medical Lead and Chair of the Women’s & Infants’ Centre of Excellence at Mount Sinai Hospital. He is the Head of the Division of Maternal Fetal Medicine and the Head of the Medical Disorders of Pregnancy Program at Mount Sinai.

Dr. Sermer has developed national guidelines for the prevention and management of diabetes, screening for gestational diabetes mellitus and has created management guidelines for mothers who have SARS and their babies.


Dr. Sermer received his MD from the University of Toronto in 1980. He completed his fellowship at the Department of Obstetrics & Gynecology at Toronto General Hospital and received his Masters in Clinical Epidemiology at McMaster University in 1987.


His clinical and research interests are in medical disorders that complicate pregnancy, with an emphasis on cardiac disease in pregnancy. Dr. Sermer has three current research projects funded by the Canadian Institute for Health Research (CIHR); including research on the role of inflammation in depression and anxiety-related symptoms during pregnancy, and postpartum progression to Type 2 diabetes. He has also received funding for research on cardiac conditions in pregnancy, diabetic pregnancy, neurodevelopment and in utero chemotherapy and the outcomes of pandemic influenza in pregnancy.

He has more than 130 peer reviewed publications, and he has lectured about cardiac conditions in pregnancy at several events both locally and internationally.

Memberships and committees

Dr. Sermer is currently a member of:

  • International Society of  Obstetric Medicine
  • Provincial Maternal-newborn  Advisory Council
  • Provincial Council for Maternal  and Child Health (PCMCH)
  • Canadian Diabetes Association

He is the Editor-in-Chief of Structured Reviews at the International Society of Obstetric Medicine. He is also a member of the editorial board for the Journal of Obstetric Medicine. In 2003, Dr. Sermer was a member of the International Working Group at the World Health Organization on the study of SARS in pregnancy. He has been a member of several other international committees related to cardiac conditions in pregnancy, child health and gestational diabetes mellitus.

Awards and recognition

Dr. Sermer is a Professor of Obstetrics & Gynecology and a Professor of Medicine at the University of Toronto, where he has received awards for excellence in education, as well as the Chair’s Award for Life-long Sustained Excellence in Research.