Table 1.
A summary of the samples used in this study.
| Family | Individual | Sample | Depth of coverage1 | Fetal fraction |
|---|---|---|---|---|
| G1 | Mother | White blood cells | 40 | |
| Plasma (38 weeks2) | 270 | 30.2% | ||
| Father | White blood cells | 45 | ||
| Offspring | Umbilical cord blood | 50 | ||
| G2 | Mother | White blood cells | 40 | |
| Plasma (18 weeks) | 195 | 23.2% | ||
| Father | White blood cells | 60 | ||
| Offspring | Placental tissues | 60 | ||
| G3 | Mother | White blood cells | 38 | |
| Plasma (11 weeks) | 310 | 18.5% | ||
| Father | White blood cells | 41 | ||
| Offspring | Chorionic villus sampling | 38 | ||
1
Median, on target; 2 Gestational age.