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Screen your patients with Prequel to deliver reliable 22q microdeletion syndrome results

Help patients learn about their baby’s risk for 22q11.2 microdeletion syndrome with the highest published positive predicted value (PPV) prenatal cfDNA screen1

Learn more about the study results

Prequel® Prenatal Screen with AMPLIFY technology demonstrated up to 100% PPV (95% confidence interval 84.6%-100%) for 22q11.2 microdeletion syndrome1

Learn more about the benefits of a high PPV

A more reliable prenatal screening for 22q and other chromosomal abnormalities can help reduce anxiety, increase confidence, and give families time to plan and prepare.

Additional resources to help you learn more

  1. Hammer C, Pierson S, Acevedo A, Goldberg J, Westover T, Chawla D, Mabey B, Muzzey D, Johansen Taber K. High positive predictive value 22q11.2 microdeletion screening by prenatal cell-free DNA testing that incorporates fetal fraction amplification. Prenat Diagn. Epub 2024. doi: 10.1002/pd.6562