Table 3 Blastocyst characteristics between the euploid blastocysts and the aneuploid blastocysts
Euploid (N = 703) | Aneuploid (N = 539) | Total (1242) | p-valuea | |
|---|---|---|---|---|
Grade at biopsy | 0.0033 | |||
Excellent | 368 (52.3%) | 186 (34.5%) | 554(44.6%) | |
Good | 128 (18.2%) | 118 (21.9%) | 249(19.8%) | |
Average | 162 (23%) | 154 (28.6%) | 316(25.4%) | |
Poor | 45 (6.4%) | 81(15%) | 126(10.1%) | |
Day of the biopsy | 0.0001 | |||
Day 5 | 397 (56.5%) | 244 (45.3%) | 641(51.6%) | |
Day 6 | 299 (42.5%) | 285 (52.9%) | 584(47%) | |
Day 7 | 7 (1%) | 10 (1.9%) | 17(1.4%) | |
Degree of expansion | < 0.0001 | |||
3 | 147(20.9%) | 192(35.6%) | 339(27.3%) | |
4 | 52(7.4%) | 48(8.9%) | 100(8.1%) | |
5 | 474(67.4%) | 279(51.8%) | 753(606%) | |
6 | 30(4.3%) | 20(3.7%) | 50(4%) | |
Trophectoderm quality | < 0.0001 | |||
A | 432(61.5%) | 239(44.3%) | 671(54%) | |
B | 265(37.7%) | 291(54%) | 556(44.8%) | |
C | 6(0.9%) | 9(1.7%) | 15(1.2%) |