Table 1. Basal and cycle characteristics of the patients included in the study.
Characteristics Values
PGT-A cycles, n 509
With autologous oocytes, n (%) 459 (90.2)
With oocyte donation, n (%) 50 (9.8)
Mean patient’s age ± SD (range) 37.3±4.8 (20 - 49)
Mean donor’s age ± SD (range) 24.0±3.2 (18 - 35)
PGT-A indication
Advanced maternal age, n (%)
Elective, n (%)
Family balancing, n (%)
Recurrent implantation failure, n (%)
Recurrent pregnancy loss, n (%)
Severe male factor, n (%)
Other indications, n (%)

239 (47.0)
76 (14.9)
71 (13.9)
48 (9.4)
41 (8.1)
20 (3.9)
14 (2.8)
Blastocysts analyzed, n 2,079
Mean number of blastocysts analyzed per cycle ± SD 4.1±2.5