Impact of variation in practice in the prenatal reporting of variants of uncertain significance by commercial laboratories: Need for greater adherence to published guidelines

Abstract excerpt

OBJECTIVE: To evaluate the impact of implementing commercial whole exome sequencing (WES) and targeted gene panel testing in pregnancies with fetal anomalies. METHODS: A retrospective chart review of 124 patients with sequencing performed by commercial laboratories. RESULTS: The diagnostic yield of WES and panel testing was 21.5% and 26%, respectively, based on likely pathogenic (LP) or pathogenic (P) variants....

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