| fully | 10 | degree |
| during the second trimester | 6 | temporal |
| in 15 to 60 minutes | 4 | temporal |
| cervix → be → open | 29 |
| cervix → be → opened | 13 |
| cervix → can → open | 4 |
| negative | neutral | positive |
| 0.153 | 0.736 | 0.111 |
| Raw frequency | 46 |
| Normalized frequency | 0.803 |
| Modifier score | 0.500 |
| Perplexity | 67.370 |