| for 20 h | 5 | temporal |
| for 22 hours in vitro | 5 | temporal |
| in vitro | 4 | other |
| oocyte → be → cultured | 29 |
| oocyte → be cultured in → vitro | 5 |
| negative | neutral | positive |
| 0.068 | 0.856 | 0.075 |
| Raw frequency | 34 |
| Normalized frequency | 0.767 |
| Modifier score | 1.000 |
| Perplexity | 405.739 |