| Elements of minor criteria | Number | Percentage (%) |
| Sufficient zoom |
|
|
| - Yes | 6 | 23.0 |
| - No | 20 | 76.9 |
| Recognized or remote amnios |
|
|
| - Yes | 16 | 61.5 |
| - No | 10 | 38.5 |
| Neutral position of the head |
|
|
| - Yes | 10 | 38.5 |
| - No | 16 | 61,5 |