Prenatal and Preconception Genetics


A guide to understanding prenatal screening tests

Prenatal Screening is an option available to all expectant parents during pregnancy. You can decide whether or not you would like to have prenatal screening. The guide is meant to help expectant parents decide whether or not prenatal screening is right for them.


Provincial Prenatal Screening Programs


Select your province/region to connect


British Columbia


Maritimes (New Brunswick, Nova Scotia, Prince Edward Island)

Newfoundland & Labrador  Contact your local genetics centre




Society of Obstetricians and Gynecologists of Canada (SOGC) SOGC national clinical guidelines in ob/gyn and related fields are available free of charge to health care practitioners and the public.


Motherisk Program (The Hospital for Sick Children) Research and counselling on reproductive risk or safety of drugs, chemicals and maternal disease in pregnancy.

Fetal Risk Assessment from Maternal Exposure (FRAME) FRAME is a program operated by a team of personnel from the University of Western Ontario in conjunction with the Medical Genetics Program of Southwestern Ontario and the Regional Perinatal Outreach Program. It provides consulting services for women exposed to drugs and chemicals during pregnancy. The clinic offers a multi-disciplinary approach with expertise available from pharmacological pediatrics, genetics and obstetrics.

For more information about the program, call 519-685-8500 extension 58293

MotherToBaby created by the Organization of Teratology Information Specialists (OTIS) MothertoBaby/OTIS provides accurate evidence-based, clinical information to patients and health care professionals about exposures during pregnancy and lactation.

Includes patient information handouts.

Public Health Agency of Canada Folic acid and neural tube defects Provides information for both patients and health care professionals about the importance of folic acid supplementation during pregnancy, particularly in decreasing the possibility of neural tube defects. Information includes appropriate dosage and dietary sources of folic acid.

Includes patient information handouts.






Currently, the website is attempting to meet the information needs of healthcare providers. As a result, when choosing content and terminology for the site, we have assumed that the reader has a certain amount of medical knowledge.

Healthcare providers must use their own clinical judgment in addition to the information presented herein. The authors assume no responsibility or liability resulting from the use of information on this website.

All healthcare providers using this site are encouraged to consult local genetics clinics, medical geneticists, or specialists for clarification of questions that arise relating to specific patient problems.

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We strive to provide accurate, timely, unbiased and up-to-date information on this site, and make every attempt to ensure the integrity of the site. However, it is possible that the information contained here may contain inaccuracies or errors for which neither GEC-KO nor its funding agencies assume responsibility.