Mean gestation week at delivery±
|
39.5 (1.6)
|
39.2 (1.7)
|
39.7 (1.6)
|
Gestation week at delivery (min-max)
|
27–43
|
34–43
|
34–43
|
Induction of labour§
|
7 (5.4)
|
15 (12)
|
12 (9.2)
|
Spontaneous contractions§
|
113 (87.6)
|
103 (83.1)
|
112 (86.1)
|
Established contractions to delivery, hours±
|
7.7 (8)
|
6.4 (5)
|
6.2 (4)
|
Use of oxytocin§
|
33(25.6)
|
37 (29.8)
|
31 (23.80)
|
Spontaneous delivery§
|
107 (82.9)
|
93 (75)
|
106 (81.5)
|
Preterm delivery (<37 gestation weeks) §
|
7 (5.4)
|
5 (4.0)
|
7 (5.4)
|
Duration of second stage of labour in minutes±
|
31 (25)
|
36 (35)
|
32 (34)
|
Vaginal operative delivery§
|
3 (2.3)
|
5 (4.0)
|
3 (2.3)
|
Caesarean section§
|
16 (12.4)
|
19 (15.3)
|
18 (13.8)
|
Episiotomy§
|
8 (6.2)
|
9 (7.31)
|
6 (4.6)
|
Third or fourth degree tears§
|
5 (3.9)
|
4 (3.2)
|
3 (2.3)
|