where the age-related risk of fetal aneuploidy outweighs the risk of miscarriage. As a result, more infants with chromosomal defects are now being born to younger women. Researchers have been working ...

Cell-free DNA (cfDNA) sequence analysis to screen for fetal aneuploidy can incidentally ... after the initial cancer-screening evaluation. Secondary analyses included test performance.

Sameer Raniga, MD, DNB; P.D. Desai, MD; Hetal Parikh, MD The most commonly studied soft markers of aneuploidy include a thickened nuchal fold, rhizomelic limb shortening, mild fetal pyelectasis ...

Chromosomal abnormalities occur in 0.1% to 0.2% of live births, and the most common clinically significant aneuploidy among live-born infants is Down syndrome (trisomy 21). Other sonographically ...