A Novel Graphic-Aided Algorithm (gNIPT) Improves the Accuracy of Noninvasive Prenatal Testing

Figure 1

Classic graph for both positive and negative cases of chr21, chr18, and chr13 in gNIPT analysis. (a) Normal chromosome 21 (negative case). (b) Normal chromosome 18 (negative case). (c) Normal chromosome 13 (negative case). (d) Trisomy 21 (positive case). (e) Trisomy 18 (positive case). (f) Trisomy 13 (positive case).

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