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  • PHO Rounds: Cannabis in Pregnancy

PHO Rounds: Cannabis in Pregnancy

  • 10 Jun 2021
  • 12:00 PM - 1:00 PM
  • Webinar

PHO Rounds: Cannabis in Pregnancy

Cannabis is widely used in Canada, including in pregnancy. Consuming cannabis in pregnancy may pose certain health risks to individuals who are pregnant and their infants. This session describes potential biological mechanisms through which cannabis may influence pregnancy outcomes and fetal neurodevelopment. Recent epidemiological research related to cannabis use in pregnancy in Ontario, is discussed, including associations with pregnancy outcomes and long-term developmental outcomes in children with in utero exposure.

By the end of this session, participants will be able to:

  1. Describe the effects of cannabis use on pregnancy and pregnancy outcomes
  2. Provide evidence-based messaging about cannabis use during pregnancy
  3. Summarize current evidence on trends in use and safety in pregnancy

Presenter(s): Dr. Daniel Corsi and Dr. Mark Walker

Dr. Daniel Corsi is an Assistant Professor at the University of Ottawa, in the Department of Obstetrics and Gynecology and in the School of Epidemiology and Public Health. He is a perinatal epidemiologist with content and methodological expertise in the areas of substance use and environmental exposures in pregnancy, social disadvantage, and epidemiological designs to improve causal inference.

Dr. Mark Walker is a high-risk obstetrician and Clinical Epidemiologist. He is highly involved in public policy at the provincial and national levels, advocating for women and children’s health; making a significant impact in the understanding of folic acid in pregnancy and thrombophilia in pregnancy. His leadership roles include being the Scientific Director of BORN Ontario and Co-Lead of Safer Birth, a new initiative launched by the Provincial Council for Maternal and Child Health to improve quality and maternity care throughout Ontario. Dr. Walker is a former Chair of the Department of Obstetrics and Gynecology at the University of Ottawa and former Chief of the Department of Obstetrics, Gynecology and Newborn Care at the Ottawa Hospital. He is currently the Interim Vice Dean of Internationalization and Global Health at the University of Ottawa.


The opinions expressed by speakers and moderators do not necessarily reflect the official policies or views of Public Health Ontario, nor does the mention of trade names, commercial practices, or organizations imply endorsement by Public Health Ontario.


Public Health Ontario Rounds are a self-approved group learning activity (Section 1) as defined by the Maintenance of Certification Program of the Royal College of Physicians and Surgeons of Canada (RCPSC). In order to receive written documentation for Continuing Medical Education (CME) credits, please check “Yes” beside the question “Do you require CME credits?” on the registration form.

College of Family Physicians of Canada (CFPC) Affiliate Members may count RCPSC credits toward their Mainpro+ credit requirements. All other CFPC members may claim up to 50 Certified credits per cycle for participation in RCPSC MOC Section 1 accredited activities.

PHO Rounds are also approved by the Council of Professional Experience for professional development hours (PDHs) for members of the Canadian Institute of Public Health Inspectors (CIPHI).

For more information or for a record of registration for other Continuing Education purposes, please contact


Public Health Ontario is committed to complying with the Accessibility for Ontarians with Disabilities Act (AODA). If you require accommodations to participate in this event, please contact 647-260-7100 or

Register Here

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