| usually | 8 | degree |
| before resulting in a live birth | 7 | temporal |
| during in vitro fertilization procedures | 6 | temporal |
| embryo → be → frozen | 294 |
| embryo → be frozen in → storage | 6 |
| embryo → be kept → frozen | 4 |
| embryo → be stored in → freezer | 4 |
| embryo → be frozen for → storage | 3 |
| embryo → remain in → frozen storage | 3 |
| negative | neutral | positive |
| 0.225 | 0.675 | 0.100 |
| Raw frequency | 314 |
| Normalized frequency | 0.927 |
| Modifier score | 0.762 |
| Perplexity | 273.825 |