By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – Aria Diagnostics said today that it has begun a blinded, multicenter clinical trial that will compare its non-invasive prenatal trisomy 21 screening test with standard screening methods.

The company's test, which is still in development, is based on a sequencing-based method that analyzes cell-free DNA in maternal blood to detect fetal chromosomal abnormalities.

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