Fig. 2From: Laboratory performance of genome-wide cfDNA for copy number variants as compared to prenatal microarrayComparison of traces for suspected maternal versus suspected fetal 47,XXX (A) A 50 kb trace demonstrating cfDNA sequencing data suspicious for maternal contribution, given the marked overrepresentation of X chromosome material. (B) A 50 kb trace from a case of confirmed fetal 47,XXX for comparisonBack to article page