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Table 2 SNP array testing for blastocysts

From: Improved clinical outcomes of preimplantation genetic testing for aneuploidy using MALBAC-NGS compared with MDA-SNP array

Clinical data Couples Total
Robertsonian translocation Reciprocal translocation Inversion PGS Sex chromosome abnormality
No. of cases 105 342 14 94 58 613
Maternal age (mean ± SD) 29.7 ± 4.18 29.1 ± 4.24 30.9 ± 4.08 33.9 ± 4.97 29.7 ± 4.29 29.9 ± 4.68
No.of blastocysts biopsied 457 1393 82 303 215 2450
Euploidy(%) 257 (56.2%) 497 (35.7%) 42 (51.2%) 188 (62.0%) 111 (51.6%) 1095 (44.7%)
Numerical abnormality (%) 177 (38.7%) 289 (20.7%) 27 (32.9%) 86 (28.3%) 75 (34.9%) 654 (26.7%)
Structural abnormality (%) 13 (2.8%) 338 (24.3%) 7 (8.5%) 19 (6.3%) 16 (7.4%) 393 (16%)
Complex abnormalities(%) 9 (2.0%) 266 (19.1%) 5 (6.0%) 10 (3.3%) 9 (4.2%) 299 (12.2%)
UPD (%) 1 (0.2%) 3 (0.2%) 1 (1.2%) 0 4 (1.9%) 9 (0.4%)