| Typicality: | 0.353 |
| Saliency: | 0.241 |
| intervention → prevent → preterm birth | 5 |
| intervention → prevent → preterm births | 5 |
| intervention → prevent → postterm births | 4 |
| negative | neutral | positive |
| 0.174 | 0.718 | 0.108 |
| Raw frequency | 14 |
| Normalized frequency | 0.241 |
| Modifier score | 0.500 |
| Perplexity | 25.343 |