CMAJ has been made aware of an error that occurred in the Aug. 3, 2021, issue.1In Figure 3, the number of pregnant people in Ontario who underwent first-tier cell-free fetal DNA screening should have been 5750, not 575.This has been corrected at cmaj.ca.
Authors: Shelley D Dougan; Nan Okun; Kara Bellai-Dussault; Lynn Meng; Heather E Howley; Tianhua Huang; Jessica Reszel; Andrea Lanes; Mark C Walker; Christine M Armour Journal: CMAJ Date: 2021-08-03 Impact factor: 8.262