Table II.
Characteristics of the nine NIFTY-positive cases.
| Age | Prior screening | NIFTY result | Karyotyping | Outcome | |
|---|---|---|---|---|---|
| Case 1 | 40 | Dual test (1:19) | High risk T21 | T21 | TOP |
| Case 2 | 35 | NT 3.9 mm | High risk T21 | T21 | TOP |
| Case 3 | 36 | No | High risk T21 | T21 | TOP |
| Case 4 | 28 | FTCS (1:40) | High risk T21 | T21 | TOP |
| Case 5 | 38 | FTCS (1:5) | High risk T21 | T21 | TOP |
| Case 6 | 33 | NT 4.1 mm | High risk T21 | T21 | TOP |
| Case 7 | 37 | FTCS 1:4 | High risk T18 | T18 | TOP |
| Case 8 | 36 | No | High risk T21 | T21 | TOP |
| Case 9 | 38 | NT 3.4 mm | High risk T21 | T21 | TOP |
FTCS, first-trimester-combined screening; NIFTY, noninvasive fetal trisomy; NT, nuchal translucency; TOP, termination of pregnancy; T18, trisomy 18; T21, trisomy 21.