| during pregnancy | 12 | temporal |
| in the first trimester | 4 | temporal |
| in her uterus | 3 | location |
| mother → have → infection | 46 |
| mother → develop → infection | 12 |
| mother → get → infection | 6 |
| mother → contract → infection | 5 |
| negative | neutral | positive |
| 0.662 | 0.310 | 0.029 |
| Raw frequency | 69 |
| Normalized frequency | 0.499 |
| Modifier score | 0.400 |
| Perplexity | 249.143 |