Table 2 The coincidence rate of each abnormal chromosome detected by NIPT
Abnormal chromosome | NIPT high-risk | Coincidence rate of prenatal diagnosis |
|---|---|---|
T21 | 2 | 1/2 |
T18 | 1 | 0/1 |
T13 | – | – |
45,X | 5 | 0/5 |
47,XXX | 1 | 0/1 |
47,XXY | 1 | 0/1 |
Microdeletion | 1 | 1/1 |
Microduplication | 2 | 0/2 |
Total | 13 | 2/13 |