Table 1 Patient and cycle characteristics

Female age (years)

36.3 ± 4.9

AMH (ng/mL)

4.4 ± 3.6

BMI (kg/m2)

22.3 ± 3.5

Oocyte sources (%)

 Autologous

420 (87.1)

 Donor

62 (12.9)

Endometrial preparation protocols (%)

 Artificial cycles

294 (61.0)

 Natural or modified natural cycles

188 (39.0)

Endometrial thickness (mm)

11.6 ± 2.1

Pulsatility index levels (%)

 ≥ 3

66 (13.7)

 < 3

416 (86.3)

E2 (ET day, pg/mL)

457.7 ± 617.1

P4 (ET day, ng/mL)

38.4 ± 30.5

Ploidy status (%)

 Euploidy

364 (75.5)

 Mosaicism

118 (24.5)

Abnormal chromosome site numbers (%)

 0

364 (75.5)

 1

72 (14.9)

 2

21 (4.4)

 > 2

25 (5.2)

Types of chromosomal abnormalities (%)

 None

364 (75.5)

 Segmental chromosome alterations

105 (21.8)

 Whole chromosome alterations

13 (2.7)

Embryo day (%)

 Day 5

356 (73.9)

 Day 6

126 (26.1)

Blastocyst morphological scores

6.4 ± 1.5

Scores of KIDScore D5

6.1 ± 1.7

Artificial intelligence scores of iDAScore

8.4 ± 0.9