Table 4. Malformations in prenatally and postnatally diagnosed patients detectable in prenatal ultrasound assessment.
| Postnatal diagnoses, n=688 | Prenatal diagnosis (9) (ultrasound findings), n=272 | Total, n=960 | ||||
|---|---|---|---|---|---|---|
| % | N | % | N | % | N | |
| Congenital heart defects | 48.5%a | 334 | 83.8% | 228 | 58.5% | 562 |
| Thymus agenesia | 7.1%a | 49 | 3.7% | 10 | 6.1% | 59 |
| Kidney abnormalities | 6.0% | 41 | 9.2% | 25 | 6.9% | 66 |
| Oral cleft | 7.8% | 54 | 3.3% | 9 | 6.6% | 63 |
| Growth retardation | 4.4% | 30 | 2.9% | 8 | 3.1% | 30 |
| Clubfeet | 3.3% | 23 | 3.7% | 10 | 3.4% | 33 |
| Abnormal male genitalia | 2.3%a | 16 | 0.4% | 1 | 1.8% | 17 |
| Microcephaly | 1.6% | 11 | 0.0% | 0 | 1.1% | 11 |
| Polydactyly | 1.0% | 7 | 0.7% | 2 | 0.9% | 9 |
| Neural tube defect | 0.7%a | 5 | 2.6% | 7 | 1.3% | 12 |
| Spine bone malformation | 0.6% | 4 | 0.0% | 0 | 0.4% | 4 |
| Central nervous system malformation | 0.7% | 5 | 1.8% | 5 | 1.0% | 10 |
a
Significantly greater frequency than for prenatal diagnoses.