Table 1 Characteristics of study participants

Sample size (n)

149

Age (years)

37.3 ± 4.9

Body-mass index (kg/m²)

25.2 ± 4.2

≥7 cells/Day 3 (n)

7.5 ± 1.8

Embryo fragmentation (%)

8.7 ± 4.3

Fertilization rate (%)

65.2 ± 18.0

Embryos transferred (n)

2.4 ± 0.9

 1 embryo

31

 2 embryos

41

 3 embryos

68

 4 embryos

9

Pregnancy rate (%)

59.89 ± 13.74

 Endometrioma (n)

5

 Points of endometriosis (n)

10

 Low response (n)

3