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Table 3 Parental origin of chromosomal aneuploidy in day 3 embryos according to haplotype analysis, in PGT-M cycles

From: New insights regarding origin of monosomy occurrence in early developing embryos as demonstrated in preimplantation genetic testing

Chromosome tested No. of embryos No. of embryos with aberration Maternal origin Paternal origin
1 316 29 (9.1%) 16 (55.2%) 13 (44.8%)
2 118 10 (8.4%) 2 (20.0%) 8 (80.0%)
6 202 4 (1.9%) 1 (25.0%) 3 (75.0%)
7 723 51 (7.0%) 32 (62.7%) 19 (37.2%)
16 151 17 (11.2%) 10 (58.8%) 7 (41.2%)
17 132 6 (4.5%) 5 (83.3%) 1 (16.7%)
19 331 19 (5.7%) 8 (42.1%) 11 (57.9%)
20 26 6 (2.3%) 4 (66.7%) 2 (33.3%)
X 84 9 (10.7%) 2 (22.2%) 7 (77.8%)
Total 2083 151 (7.2%) 80 (52.9%) 71 (47.1%)