| directly | 4 | manner |
| during reproductive age | 3 | temporal |
| in the united states | 2 | location |
| death → be related to → pregnancy | 33 |
| death → be associated with → pregnancy | 11 |
| death → be → pregnancy-related | 7 |
| death → be caused by → pregnancy | 4 |
| death → be aggravated by → pregnancy | 3 |
| negative | neutral | positive |
| 0.540 | 0.416 | 0.045 |
| Raw frequency | 58 |
| Normalized frequency | 0.487 |
| Modifier score | 0.911 |
| Perplexity | 61.122 |