Table 1.

Patient profile.

Number of enrolled couples	40
Mean maternal age (total)	37.2 ± 4.3 (n = 40)
IVF with their own oocytes	37.2 ± 4.1 (n = 32)
IVF with donated oocytes	23.8 ± 2.0 (n = 8)
Number of IVF/PGT-A cycles	46
Indications
Advanced maternal age (> 36 years)	20 (50%)
Severe male factors	6 (15%)
Repeated implantation failure	6 (15%)
Oocyte recipient for SET	8 (20%)
Number of retrieved oocytes	589
Number of metaphase II oocyte (MII)	514
Number of fertilized oocytes (2PN)	386
Number of derived blastocysts	219
Number of biopsied blastocysts	108
Number of biopsies screened by NGS	107
Number of biopsies that failed to be amplified	1

2PN, 2 pronuclei; NGS, next-generation sequencing; SET, single embryo transfer.