Genetics Videos

We answer our patients’ commonly-asked questions in this short series of videos.


  • Introduction to Prenatal Diagnosis & Medical Genetics
  • Research and professional development
  • Brief history of the development of genetic understanding

Primary Prevention

  • Primary prevention
  • Preconception counselling

Secondary Prevention

  • Approaches to screening
  • Screening for chromosome abnormalities
  • Screening for neural tube defects and abdominal wall defects
  • Detecting structural congenital abnormalities

Visiting our Clinic

  • Getting referrals
  • Visiting our clinic
  • Preparing for your appointment

Screening and Prenatal Care

  • Importance of patient education about screening
  • Benefits of screening in early pregnancy
  • Ethical considerations and patient counselling
  • Deciding whether or not to be screened
  • Navigating uncertainty
  • Collaboration between Genetics and Fetal Medicine

Frequently Asked Questions

  • Difference between screening and diagnostic testing
  • Are diagnostic testing and prenatal screening helpful?
  • First trimester screening, maternal serum screening, integrated prenatal screening
  • Diagnostic testing: chorionic villus sampling (CVS) and amniocentesis
  • What are genes and chromosomes?
  • Chromosome testing
  • When do we use targeted gene testing?

Special Pregnancy Program

Referrals »

Fetal Medicine: 416-586-4800 x 7756
Fax: 416-586-3216

Maternal Medicine: 416-586-4800 x 7000
Fax: 416-586-5109

Main clinic hours: Monday to Friday, 8am to 4pm

Prenatal Diagnosis & Medical Genetics

Referrals »

phone: 416-586-4800 x 4523
fax numbers:
416-586-4723 or 416-586-8384

Perinatal Mental Health

Referrals »

Phone: 416-586-4800 x 8325
Fax: 416-586-8596