Table 3 Assessment of TVS parameters
TVS parameters | Criteria | Count (%) |
|---|---|---|
Cervical length (cm) | > 3 | 14 |
≤ 3 | 86 | |
Funnel length (cm) | Absent | 11 |
≤ 1 | 75 | |
> 1 | 14 | |
Funnel width (cm) | Absent | 11 |
≤ 1 | 70 | |
> 1 | 19 | |
Position of cervix (cm) | Curved | 38 |
Straight | 62 | |
Distance of presenting part to external os (cm) | > 3 | 42 |
≤ 3 | 58 |