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Table 5 Chromosomal aneuploidy in day 5 embryos according to CCS analysis during PGT-SR

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

No. of patients 45
Maternal age (mean) 34.4
Paternal age (mean) 36.5
No of patients for PGT-SR 45
No of cycles 90
No. of examined embryos 432
No. of embryos with no result (%) 27/432 (6.2)
No. of embryos with result (%) 405/432 (93.8)
No. of euploid embryos (%) 283/405 (69.9)
No. of aneuploid embryos (%) 122/405 (30.1)
No. of embryos with multiple chromosomal aberrations (%) 43/122 (35.2)
Total aberrations (dispersed throughout 43 embryos) 194
Chromosome monosomies (%) 78/194 (40.2)
Chromosome trisomies (%) 116/194 (59.8)
No. of embryos with single chromosomal aberration (%) 79/122 (64.8)
Single chromosome monosomy (%) 33/79 (41.8)
Single chromosome trisomy (%) 46/79 (58.2)