Chromosome Screening Results & Next Steps
EFTS & STS SCREENING RESULTS & NEXT STEPS
Your eFTS or STS result will be either "screen negative" or "screen positive". Choose your result to learn more about what it means and next steps:
NIPT SCREENING RESULTS
Your NIPT result will be either "low risk" or "high risk". Sometimes, NIPT can fail to give you a result. Choose your result to learn more about what it means and next steps:
VANISHING TWIN SCREENING RESULTS
If you have a "vanishing twin" pregnancy, your prenatal screening test might have been a 11-14 week (nuchal translucency) ultrasound followed by Second Trimester Screening (STS). Or you might have had Second Trimester Screening (STS) on its own. Either way, your results will be either "screen negative" or "screen positive". Choose your result to learn more about what it means and next steps:
Diagnostic Testing
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.