Cause

Fr.

GA on admission (weeks)

GA at birth (weeks)

Time to delivery (weeks)

Birth

weight (gr)

Apgar score

(at 1’)

Apgar score

(at 5’)

In total

100% (480)

32.0

[31.8, 32.1]

35.7

[35.4, 35.9]

3.7

[3.5, 4.0]

2367

[2327, 2407]

8.87

[8.84, 8.91]

9.73

[9.68, 9.77]

Cervical dilation

11.3%

(54)

31.7

[31.3, 32.6]

37.3

[36.9, 37.8]

5.4

[4.9, 5.8]

2754

[2648, 2860]

8.85

[8.75, 8.94]

9.64

[9.51, 9.77]

C. placental abruption

11.9%

(57)

32.9

[31.0, 32.4]

31.7

[31.0, 32.4]

0

1855

[1744, 1967]

8.68

[8.54, 8.82]

9.42

[9.25, 9.58]

P. placental abruption

12.3%

(59)

32.9

[32.2, 33.5]

36.0

[35.5, 36.5]

3.1

[2.7, 3.5]

2379

[2271, 2487]

9.03

[8.93, 9.13]

9.76

[9.64, 9.88]

Placenta previa

29.2% (140)

31.8

[31.5, 32.1]

35.5

[35.2, 35.9]

3.7

[3.3, 4.0]

2282

[2227, 2338]

8.99

[8.96, 9.02]

9.77

[9.70, 9.84]

Uterine rupture

0.4%

(2)

36.5

36.5

0

2645

8.50

9.50

Non-pregnancy

8.8%

(42)

31.9

[31.5, 32.3]

36.2

[35.5, 36.8]

4.3

[3.5, 5.0]

2317

[2211, 2424]

8.66

[8.51, 8.81]

9.90

[9.81, 9.99]

Unknown etiology

26.3% 126)

31.9

[31.6, 32.1]

36.8

[36.3, 37.1]

4.8

[4.3, 5.2]

2532

[2459, 2604]

8.84

[8.78, 8.91]

9.79

[9.72, 9.86]