Genetics & Aneuploidy Screening Overview

PPV-508
By Danna Hull
Wednesday November 5, 2025
1 Sonography Based, Directed Credit

Danna delivers an insightful session that highlights the work of Prenatal Screening Ontario (PSO) and BORN, the role of genetic counseling, and foundational genetics concepts. The session includes a clear overview of aneuploidy, Trisomy 21, maternal multiple marker screening (MMS), and non-invasive prenatal testing (NIPT).

Session Learning Objectives – Genetics & Aneuploidy Screening

• Summarize the role that Prenatal Screening Ontario and BORN Ontario play within the Ontario healthcare system.
• Describe basic genetic concepts for chromosome aneuploidies.
• Recognize the importance of the sonographer’s role within the prenatal screening system.