Table 1 Patient characteristics and referral indications (n = 10)
Case | Maternal age (years) | Gestational age (weeks + days) | Referral indication | Fetal fraction (%) |
|---|---|---|---|---|
1 | 36 | 13 + 2 | Advanced maternal age | 12 |
2 | 32 | 10 + 2 | Primary screening | 6 |
3 | 39 | 12 + 0 | Advanced maternal age | 6 |
4 | 42 | 11 + 4 | None specified | 9 |
5 | 41 | 15 + 2 | None specified | N/a |
6 | 37 | 12 + 4 | None specified | 8 |
7 | 37 | 11 + 0 | None specified | 9 |
8 | 37 | 12 + 5 | Advanced maternal age | 6 |
9 | 39 | 10 + 3 | None specified | N/a |
10 | 47 | 10 + 5 | None specified | 9 |