Table 1 Characteristics of study population according to the first method of labor induction
Characteristic of study population | Cervical ripening N = 910 | Oxytocin and/or amniotomy N = 541 |
|---|---|---|
Age, years | 30.9 (4.9) | 31.8 (4.8) |
Country of birth | ||
Europe | 639 (81.9) | 364 (81.8) |
North Africa | 75 (9.6) | 48 (10.8) |
Sub-Saharan Africa | 30 (3.9) | 15 (3.4) |
Other | 36 (4.6) | 18 (4.0) |
Maternal occupation | ||
Higher professional occupation | 213 (26.4) | 129 (27.1) |
Intermediate occupation | 278 (34.5) | 161 (33.8) |
Sales and service worker | 184 (22.8) | 102 (21.5) |
Skilled or unskilled manual workers | 18 (2.2) | 11 (2.3) |
Unemployed or not in the labor force | 113 (14.0) | 73 (15.3) |
BMI before pregnancy, kg/m2 | 24,8 (5.6) | 23.9 (4.6) |
Nulliparous | 592 (65.4) | 185 (34.3) |
Parous, no previous CS | 297 (32.8) | 216 (60.1) |
Parous, previous CS | 16 (1.8) | 30 (5.6) |
Antenatal education with information about IoL | 160 (29.6) | 298 (32.9) |
Bishop score | 3 [2–4] | 5 [5–7] |
Non-medical induction | 43 (4.7) | 100 (18.5) |
Gestational age, WG | 40 [38–41] | 40 [38–41] |
Epidural analgesia | 773 (85.0) | 486 (89.8) |
Mode of delivery | ||
Spontaneous vaginal | 537 (59.3) | 417 (77.2) |
Instrumental vaginal | 147 (16.2) | 56 (10.4) |
Cesarean | 222 (24.5) | 67 (12.4) |
Time to delivery < 24 h | 568 (63.9) | 535 (99.8) |
Episiotomya | 191 (28.0) | 66 (14.0) |
Severe perineal lacerationa | 8 (0.9) | 3 (0.6) |
PPH | 54 (6.0) | 32 (5.9) |
NICU hospitalisation | 58 (6.4) | 40 (7.4) |
Birth with intervention or complicationb | 516 (57.9) | 214 (40.2) |