Table 1. Fractional fetal DNA concentrations in maternal urine as calculated by the chromosome Y approach.
Case | Fetal sex | Y% | Fetal%a | |
Control | Male | − | 0.216% | − |
Female | − | 0.035% | − | |
Pregnant women | 6849 | M | 0.045% | 0.057% |
6918 | M | 0.070% | 0.198% | |
7401 | M | 0.041% | 0.037% | |
8542 | M | 0.037% | 0.015% | |
7413 | F | 0.042% | 0.042% | |
7418 | F | 0.050% | 0.088% | |
7482 | F | 0.041% | 0.036% |