Table 1 Proportions of systemic malformations diagnosed by prenatal ultrasound in foetuses with a single umbilical artery
System | One system | ≥ Two systems | Total |
|---|---|---|---|
Craniocerebral | 15 (6.7%) | 49 (29.9%) | 64 (16.5%) |
Spinal | 11 (4.9%) | 30 (18.3%) | 41 (10.6%) |
Cardiovascular | 90 (40.4%) | 106 (64.6%) | 196 (50.6%) |
Gastrointestinal | 16 (7.2%) | 30 (18.3%) | 46 (11.9%) |
Genitourinary | 48 (21.5%) | 38 (23.2%) | 86 (22.2%) |
Limb and extremities | 9 (4.0%) | 54 (32.9%) | 63 (16.3%) |
Thorax | 4 (1.8%) | 19 (11.6%) | 23 (5.9%) |
Anterior abdominal wall | 12 (5.4%) | 22 (13.4%) | 34 (8.8%) |
Face | 10 (4.5%) | 54 (32.9%) | 64 (16.5%) |
Neck | 8 (3.6%) | 15 (9.1%) | 23 (5.9%) |
Others | Â | 8 (4.9%) | 8 (2.1%) |