| Table 1. Characteristics of embryos submitted to PGT-A | ||
| Variable | Absolute frequency (n) |
Relative frequency (%) |
|---|---|---|
| Cell number on Day 3 <8 cells ≥8 cells |
145 374 |
27.94 72.06 |
| Fragmentation grade on Day 3 Grade A Grade B Grade C |
275 208 36 |
52.98 40.07 6.93 |
| Subgroup combinations by cell number and fragmentation <8 / A or B <8 / C ≥8 / A or B ≥8 / C PGT-A result Euploid Aneuploid |
129 16 363 11 140 379 |
24.85 3.08 69.94 2.12 26.97 73.03 |
| Blastocyst quality (Top-quality ≥3BB) Yes |
238 | 45.68 |