| Table 1. Demographics and cycle characteristics of the study population. | ||||
| BLASTOCYST RATE | Off-gassing Day group | |||
|---|---|---|---|---|
| Group A | Group B | Group C | ||
| Blastocyst Formation rate on day 4 (%) | 77.6 | 73.3 | 77.8 | 0.854 |
| Blastocyst Formation rate on Day 5 (%) | 79.6 | 84.4 | 80 | 0.804 |
The mean difference is significant at the 0.05 level.