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