Table 4 Parental origin of monosomy and trisomy at day 3 embryos according to haplotype analysis, in PGT-M cycles
Chromosome tested | No. of embryos with aberrations | Monosomy | Trisomy | Maternal monosomy | Paternal monosomy | Maternal trisomy | Paternal trisomy |
|---|---|---|---|---|---|---|---|
1 | 29 (9.1%) | 26 (89.7%) | 3 (10.3%) | 13 | 13 | 3 | 0 |
2 | 10 (8.4%) | 9 (90.0%) | 1 (10.0%) | 2 | 7 | 0 | 1 |
6 | 4 (1.9%) | 4 (100%) | 0 | 1 | 3 | 0 | 0 |
7 | 51 (7.0%) | 44 (86.3%) | 7 (13.7%) | 24 | 20 | 7 | 0 |
16 | 17 (11.2%) | 15 (88.2%) | 2 (21.2%) | 8 | 7 | 2 | 0 |
17 | 6 (4.5%) | 6 (100%) | 0 | 5 | 1 | 0 | 0 |
19 | 19 (5.7%) | 14 (73.7%) | 5 (26.3%) | 6 | 8 | 2 | 3 |
20 | 6 (2.3%) | 5 (83.3%) | 1 (16.7%) | 3 | 2 | 1 | 0 |
X | 9 (10.7%) | 9 (100%) | 0 | 2 | 7 | 0 | 0 |
Total chromosomes (9) | 151 (7.2%) | 132 (87.5%) | 19 (12.5%) | 64/132 (48.5%) | 68/132 (51.5%) | 15/19 (78.9%) | 4/19 (21.1%) |