Table 1

Fractional concentrations of fetal DNA calculated based on the analysis of category 1 SNPs for different chromosomes.

ChromosomeFetal DNA
concentration (%)
111.57
211.57
311.59
411.49
511.66
611.43
711.49
811.53
911.51
1011.36
1111.51
1211.41
1311.47
1411.38
1511.07
1611.08
1711.17
1811.60
1911.55
2011.33
2110.87
2211.19
X11.10
Whole genome11.43