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Table 2 Fetal abnormalities detected using BACs-on-Beads (BoBs™) alone and conventional karyotyping alone
| Prenatal BoBs™ (n, %) | Conventional karyotyping (n, %) | Gender | Fetal outcome | Number |
|---|---|---|---|---|
| Trisomy 13 (1, 0.02%) | Abnormal (1, 0.02%) | Male | Abortion | 1 |
| Trisomy 18 (24, 0.49%) | Abnormal (24, 0.49%) | Female | Abortion | 15 |
| Male | Abortion | 9 | ||
| Trisomy 21 (82, 1.69%) | Abnormal (82, 1.69%) | Female | Abortion | 42 |
| Male | Abortion | 39 | ||
| DiGeorge syndrome (2, 0.04%) | Normal (2, 0.04%) | Male | Abortion | 2 |
| Williams–Beuren syndrome (1, 0.02%) | Normal (1, 0.02%) | Female | Abortion | 1 |
| Turner syndrome (4, 0.08%) | Abnormal (4, 0.08%) | Female | Normal | 1 |
| Female | Abortion | 3 | ||
| Klinefelter’s syndrome (3, 0.06%) | Abnormal (3, 0.06%) | Male | Abortion | 3 |
| Othersa (27, 0.57%) | Normal (20, 0.41%) | Female | Normal | 7 |
| Female | Abortion | 1 | ||
| Male | Normal | 10 | ||
| Male | Abortion | 2 | ||
| Abnormal (7, 0.15%) | Female | Abortion | 5 | |
| Male | Abortion | 2 |
