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Table 1 Maternal, fetal and labor characteristics

From: Does prolonged labor affect the birth experience and subsequent wish for cesarean section among first-time mothers? A quantitative and qualitative analysis of a survey from Norway

 

Study population

Primiparous at term, induced or spont. start of labor (n = 459)

Medical Birth Registry, Norway, 2014

a All deliveries n = 59,065

b All planned vaginal deliveries (n = 54,946)

c Primiparous spont. start (n = 14,239)

d Primiparous spont. start, vag delivery (n = 12,954)

Maternal characteristics

 Maternal age mean, yrs

32

29 a

 Cohabiting or married

    Missing

439 (96%)

9 (2%)

55,041 (93%) a

 BMI median

   Missing

22.0

43 (9.4%)

24.2 a

Fetal characteristics

 Gestational age, days

283 (SD = 9)

275 (SD = 14) a

 Mean birth weight, g

3438

3489 a

 5 min Apgar score < 7

 Missing

3 (0.7%)

5 (1.1%)

1059 (1.8%) a

Onset of labor

 Spontaneous

346 (75%)

42,848 (78%) b

 Induced

113 (25%)

12,098 (22%) b

Mode of delivery

 Normal vaginal

296 (64%)

10,093 (71%) c

 Operative vaginal

114 (25%)

2861 (20%) c

 Cesarean section

49 (11%)

1285 (9%) c

Labor characteristics

 Anal sphincter tears

7 (1.5%)

406 (3.1%) d

 Missing

5 (1.1%)

 

 Episiotomy

155 (34%)

4469 (34%) d

 Bleeding ≥500 ml

109 (24%)

15,802 (27%) a