| from 15 to 45 weeks | 4 | temporal |
| periodically | 3 | temporal |
| usually | 3 | degree |
| embryo → be → examined | 31 |
| embryo → be → analyzed | 18 |
| embryo → be → assessed | 9 |
| embryo → be → analysed | 6 |
| embryo → be → evaluated | 5 |
| embryo → be → studied | 5 |
| embryo → be → investigated | 3 |
| negative | neutral | positive |
| 0.145 | 0.791 | 0.064 |
| Raw frequency | 77 |
| Normalized frequency | 0.647 |
| Modifier score | 0.900 |
| Perplexity | 48.934 |