Table 2.
Comparison of the characteristics of warming cycles and morphology of blastocysts between the two groups of assisted hatching
| ICM group | TE group | |
|---|---|---|
| Type of endometrial preparation (Natural cycle/HRT cycle) | 40/40 | 33/47 |
| Thickness of the endometrium (mm) | 9.0 ± 1.4 | 9.2 ± 1.5 |
| No. of cycles transferred with Day5/D6 blastocysts | 45/35 | 41/39 |
| No. of blastocysts warmed | 147 | 139 |
| No. of blastocysts survived (%) | 143 (97.3) | 138 (99.3) |
| Mean no. of blastocysts transferred ± SD | 1.8 ± 0.4 | 1.7 ± 0.5 |
| Expanding status of blastocysts before vitrification | ||
| 3 | 34 | 29 |
| 4 | 109 | 109 |
| ICM score | ||
| A | 44 | 40 |
| B | 99 | 98 |
| TE score | ||
| A | 34 | 39 |
| B | 109 | 99 |
There were no statistically significant differences between the two groups
HRT cycle hormonal replacement treatment cycle