| P value | Coefficient of correlation | Parameters |
| <0.0001 | 0.338 | Colon diameter versus bi-parietal diameter |
| <0.0001 | 0.482 | Colon diameter versus head circumference |
| <0.0001 | 0.722 | Colon diameter versus abdominal circumference |
| <0.0001 | 0.809 | Colon diameter versus femoral length |