Table 3 Detailed information on the thirteen twin pregnancies with NIPT-positive results
Case | Maternal age (years) | Gestational age (weeks) | Placentation | Conception | NIPT result | Karyotyping | Clinical outcome |
|---|---|---|---|---|---|---|---|
1 | 36 | 13 + 6 | DCDA | NP | T21 high risk | N/T21 | Reduction |
2 | 30 | 17 + 0 | DCDA | NP | T21 high risk | N/N | Natural birth |
3 | 29 | 17 + 1 | MCDA | NP | T18 high risk | N/N | Natural birth |
4 | 26 | 18 + 4 | DCDA | NP | Monosomy X | N/N | Natural birth |
5 | 30 | 17 + 3 | DCDA | NP | Monosomy X | N/N | Natural birth |
6 | 26 | 18 + 4 | DCDA | NP | Monosomy X | N/N | Caesarean |
7 | 39 | 21 + 4 | DCDA | NP | Monosomy X | N/N | Caesarean |
8 | 32 | 16 + 5 | DCDA | ART | Monosomy X | N/N | Caesarean |
9 | 26 | 17 + 6 | DCDA | NP | 47,XXX | N/N | Natural birth |
10 | 28 | 18 + 0 | DCDA | NP | 47,XXY | N/N | Caesarean |
11 | 39 | 15 + 1 | DCDA | NP | del (15) (q11.2q13.1), 6.13 Mb | N/Microdeletion | Reduction |
12 | 29 | 17 + 2 | DCDA | NP | dup (13) (q31.1q31.1), 2.37 Mb | N/N | Caesarean |
13 | 29 | 14 + 4 | DCDA | ART | dup (16) (p12.3p11.2), 16.38 Mb | N/N | Caesarean |