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Characteristics of 3 false-negative NIPT samples
| Case | Age | Gestational (w) | MSS | NIPT | Karyotype | Outcome |
|---|---|---|---|---|---|---|
| Case 1 | 41 | 18.2 | 1: 43 | T21 1.686 | T21 | Labor induction |
| Case 2 | 37 | 18 | 1: 27 | T21 2.548 | T21 | Labor induction |
| Case 3 | 34 | 20 | 1: 41 | T18 1.89 | T18 | Labor induction |
T21 Trisomy 21, T18 Trisomy 18
