Total population n = 166

Group 1

2009-2011

n = 57

Group 2

2012-2014

n = 109

p

Mean age ± standard deviation [extremes]

32 ± 5.4 ans

[18 - 45]

31.82 ± 5.36 ans

[18 - 43]

32.02 ± 5.49 ans

[19 - 45]

0.175

Age > 35 years, n (%)

42 (25.3)

15 (26.2)

27 (24.7)

0.127

Mean gestity ± standard deviation

2.54 ± 1.51

2.75 ± 1.45

2.43 ± 1.58

0.279

Mean parity ± standard deviation

1.42 ± 1.37

1.6 ± 1.49

1.39 ± 1.26

0.548

Multiparous, n (%)

99 (60.1)

28 (49.2)

71 (65)

0.141

Single uterine scar, n (%)

9 (5.4)

3 (5.2)

6 (5.5)

0.291

Multiple uterine scars, n (%)

4 (2.4)

1 (1.8)

3 (2.8)

0.322

PPH history, n (%)

5 (3)

3 (5.3)

2 (1.8)

0.22

Mean gestational age at delivery ± standard deviation [extremes]

38.6 ± 1.64

[30 - 42]

38.3 ± 1.57

[30 - 41]

38.9 ± 1.62

[32 - 42]

0.298

Associated pathologies:

- Preeclampsia/Pregnancy hypertension

- Gestational Diabetes

- Macrosomia

- Hydramnios

10

5

11

6

1

1

3

2

9

4

8

4

0.09

0.493

0.105

0.398