| during pregnancy | 13 | temporal |
| before conception | 12 | temporal |
| in the lead-up | 3 | temporal |
| mother → take → drug | 76 |
| mother → consume → drug | 5 |
| mother → be taken → drug | 4 |
| mother → taken → drug | 4 |
| mother → be taken → the drug | 3 |
| negative | neutral | positive |
| 0.636 | 0.324 | 0.040 |
| Raw frequency | 92 |
| Normalized frequency | 0.545 |
| Modifier score | 0.500 |
| Perplexity | 140.319 |