Positive Predictive Values and Outcomes for Uninformative Cell-Free DNA Tests: An Italian Multicentric Cytogenetic and Cytogenomic Audit of DiagnOstic Testing (ICARO Study)

Abstract

(Abstracted from Prenat Diagn 2022;42:1575–1586 Methods for diagnosis of genetic abnormalities have recently undergone substantial improvement. Noninvasive prenatal testing (NIPT) is performed early in pregnancy, typically at the end of the first trimester using cell-free DNA (cfDNA) to identify 3 commonly occurring trisomies (13, 18, and 21).