NEW YORK (GenomeWeb) – Clinical whole-exome sequencing has been used successfully to diagnose thousands of pediatric and adult patients with genetic diseases. A number of clinical testing labs, including at Baylor College of Medicine and GeneDx, have now started to explore exome sequencing in a prenatal setting, which presents some unique challenges because it requires quick turnaround times and because genetic defects may present differently in a fetus than once a child is born.

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