Group 0.075

n = 65

Group 0.1

n = 63

Group 0.15

n = 66

Age (years)*

26.7± 6.3

26.4 ± 5.7

26.6 ± 6.0

BMI (kg/m²)*

31.6 ± 5.7

30.1 ± 5.1

30.5 ± 5.9

ASA physical status class (I/II/III)

30/32/2

30/27/4

41/19/5

Gestational age (weeks)*

38.7 ± 2.3

38.7 ± 2.2

38.9 ± 1.9

Parity (0/1/≥2)

14/31/19

11/30/21

12/27/26

Previous cesarean delivery (n,%)

29 (44)

34 (53)

31 (46)

Fentanyl use during surgery (mg)*

2.9 ±14.6

2.3 ± 10.5

1.8 ± 11

Duration of surgery (min)*

63.2 ± 9.2

64.1 ± 16.7

61.6 ± 11.4