Membership & Contact

Membership may include hospitals/health science centers, educational institutions and organizations with mandates which are directly related to data collection, research or practice of obstetrics in the GTA.


The following sites have joined the Southern Ontario Obstetrical Network:

  • Humber River Hospital
  • Mackenzie Health –Mackenzie Richmond Hill Hospital
  • McMaster Hospital – Hamilton
  • Mount Sinai Hospital
  • North York General Hospital
  • Royal Victoria Regional Health Centre
  • Southlake Regional Health Centre
  • St. Joseph's Health Centre Toronto
  • St. Michael's Hospital
  • Sunnybrook Health Sciences Centre
  • The Scarborough and Rouge Hospital – Centenary
  • The Scarborough and Rouge Hospital – Birchmount Campus
  • The Scarborough and Rouge Hospital – General Campus
  • Michael Garron Hospital
  • Trillium Health Partners - Credit Valley Hospital
  • Trillium Health Partners - Mississauga Hospital
  • William Osler Health Centre - Brampton Civic
  • William Osler Health Centre - Etobicoke General Hospital

How to become a partner

The Network always welcomes new partners. Joining the Network is the right choice for you if you are looking to:

  • Participate in fruitful discussions which will lead to impactful changes in patient care, safety, and advocacy for women’s health;
  • Contribute to the design of a new guideline improving quality and delivery of care;
  • Design and lead a cohort study or a randomized controlled trial within your centre or even across multiple research sites in the GTA!

To become a member the GTA-OBS Network, please contact Jon Barrett ( or Susan O'Rinn at (

During the first 2 years of the Network’s existence, the membership fees for academic and community hospitals are $5,000/year and $3,000/year, respectively. In the absence of any funding following the first 2 years of Network existence, the membership fees will be $10,000/year and $5,000/year for academic and community hospitals, respectively.

Contact Us

Jon Barrett
Chair, GTA-OBS Network
Associate Scientist, Sunnybrook Health Sciences Centre
Susan O'Rinn
Senior Project Manager – Research
Women and Babies Program
Department of Evaluative Clinical Sciences, Sunnybrook Research Institute