Useful Resources
Flat Trend
Instructions for uploading images to the NTQA program
Median Bias
Negative Bias
NTQA image optimization
NTQA image requirements
Positive Bias
Probe Manipulation
Spread
Steep Trend
Complete your NTQA Curve Review
Condensed Guide to CRL
For Sonographer Resource Documents
For Sonographers Flyer
Interpreting NT Performance Curve
NT Data Table Form
NTQA Image Review QA Charts
NTQA In Service Sign Up Sheet
NTQA Image Requirements
Sonographer Completing the MMS Requisition
Technically Difficult NT Scans
Tight Spread
Trend
Wide Spread
Zoom Optimization
Contact Us
Prenatal Screening Ontario
CHEO Research Institute
Centre for Practice-Changing Research Building
401 Smyth Road
Ottawa, ON K1H 8L1
Information line
Phone: 613-737-2281
Toll-Free: 1-833-351-6490
Monday to Friday, 9:00 AM to 3:00 PM EST
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Subscribe to stay informed about the latest PSO news and prenatal screening updates in Ontario.
Virtual educational sessions on prenatal screening and nuchal translucency quality assurance are available upon request for health‑care providers.