| Total N = 101 | CRL (45 - 64 mm) N = 68 | CRL (65 - 82 mm) N = 33 | p value |
Skull/neck† | 101 (100%) | 68 (100%) | 33 (100%) | Not applicable |
Brain† | 101 (100%) | 68 (100%) | 33 (100%) | Not applicable |
Orbit | 91 (90.1%) | 63 (92.6%) | 28 (84.8%) | 0.218 |
Lens | 74 (73.3%) | 50 (73.5%) | 24 (72.7%) | 0.932 |
Facial profile | 96 (95.0%) | 67 (98.5%) | 29 (87.9%) | 0.021* |
Spine | 99 (98.0%) | 67 (98.5%) | 32 (97.0%) | 0.598 |
Four chambers view/chest† | 98 (97.0%) | 66 (97.1%) | 32 (97.0%) | 0.980 |
Three-vessel view | 49 (48.5%) | 32 (47.1%) | 17 (51.5%) | 0.674 |
Left ventricular outflow tract | 52 (51.5%) | 32 (47.1%) | 20 (60.6%) | 0.201 |
Stomach† | 101 (100%) | 68 (100%) | 33 (100%) | Not applicable |
Abdominal wall† | 101 (100%) | 68 (100%) | 33 (100%) | Not applicable |
Umbilical artery | 94 (93.1%) | 63 (92.6%) | 31 (93.9%) | 0.810 |
Kidneys | 48 (47.5%) | 29 (42.6%) | 19 (57.6%) | 0.159 |
Urinary bladder | 100 (99.0%) | 67 (98.5%) | 33 (100%) | 0.484 |
Extremities† | 100 (99.0%) | 68 (100%) | 32 (97.0%) | 0.149 |
Anatomy check† | 98 (97.0%) | 66 (97.1%) | 32 (97.0%) | 0.500 |