Table 1 Demographic, induction of labour and delivery outcome data for women who delivered vaginally vs. unplanned caesarean.
Vaginal delivery | Cesarean delivery | p-value | |
|---|---|---|---|
Demographic data | |||
Maternal age in years (mean, SD) | 31.8 (± 5.7) | 33.1 (± 5.7) | 0.003 |
Maternal height in cm (mean, SD) | 163.7 (± 5.9) | 161.7 (± 6.2) | < 0.001 |
Nuliparity (n, %) | 294 (62.2%) | 166 (67.8%) | < 0.001 |
Previous CS (n, %) | 39 (6.9%) | 56 (23.2%) | < 0.001 |
Body mass index (kg/m2, SD)a | 30.6 (± 4.9) | 32.2 (± 5.3) | < 0.001 |
US data | |||
EFW in grams (mean, SD) | 1832.9 (± 247.3) | 1885.3 (± 245.9) | 0.008 |
HC in mm (mean, SD) | 289.9 (± 12.6) | 292.6 (± 12.7) | 0.006 |
BPD in mm (mean, SD) | 80.8 (± 4.1) | 81.7 (± 3.8) | 0.005 |
AC in mm (mean, SD) | 277.4 (± 15.2) | 281.3 (± 14.6) | 0.001 |
FL in mm (mean, SD) | 60.0 (± 2.9) | 60.0 (± 2.8) | 0.935 |
IOL data | |||
IOL method (n, %)b | < 0.001 | ||
Misoprostol | 279 (49.6%) | 73 (29.8%) | < 0.001 |
Dinoprostone | 257 (45.6%) | 162 (66.1%) | < 0.001 |
Foley catheter | 12 (2.1%) | 6 (2.4%) | 0.983 |
Oxitocin | 9 (1.6%) | 3 (1.2%) | 0.930 |
Gestational age at IOL (mean, SD) | 39.9 (± 1.1) | 40.1 (± 1.0) | 0.019 |
Indication for labour induction | |||
Post term pregnancy (n, %) | 257 (45.6%) | 131 (53.5%) | 0.049 |
Premature rupture of membranes (n, %) | 35 (6.2%) | 20 (8.2%) | 0.391 |
Gestational diabetes mellitus (n, %) | 50 (8.9%) | 17 (6.9%) | 0.435 |
Intrahepatic cholestasis (n, %) | 3 (0.5%) | 1 (0.4%) | 1.0 |
Oligohydramnios (n, %) | 33 (5.9%) | 12 (4.9%) | 0.702 |
Hypertensive disorders (n, %) | 14 (2.5%) | 13 (5.3%) | 0.066 |
Preeclampsia (n, %) | 18 (3.2%) | 9 (3.7%) | 0.894 |
Maternal pathology (n, %) | 34 (6.0%) | 11 (4.5%) | 0.474 |
Fetal pathology (n, %) | 8 (1.4%) | 2 (0.8%) | 0.713 |
Assisted reproduction (n, %) | 7 (1.2%) | 8 (3.3%) | 0.094 |
Other (n, %) | 104 (18.5%) | 21 (8.6%) | 0.01 |
BISHOP | < 0.001 | ||
0–3 (n, %) | 425 (75.5%) | 225 (91.8%) | < 0.001 |
4–5 (n, %) | 123 (21.8%) | 19 (7.8%) | < 0.001 |
6 (n, %) | 15 (2.7%) | 1 (0.4%) | 0.066 |
Time until delivery h (mean, SD) | 20.1 (± 13.7) | 28.9 (± 16.8) | < 0.001 |
Delivery data | |||
Mode of delivery (%) | 563 (69.7%) | 245 (30.3%) | |
Eutocic delivery | 308 (54.7%) | – | – |
Vaginal instrumental delivery | 255 (45.3%) | – | – |
Cesarean section indications | |||
FHR abnormality | – | 74 (30.2%) | – |
Failed induction | – | 59 (24.1%) | – |
Labour dystocia | – | 105 (42.9%) | – |
Neonatal outcome data | |||
Neonatal birthweight (grams, SD) | 3330.2 (± 418.3) | 3498.7 (± 428.7) | < 0.001 |
5-min Apgar Score ≤ 7 (%) | 7 (1.2%) | 2 (0.8%) | 0.867 |
Neonatal intensive care admission (%) | 10 (1.8%) | 4 (1.6%) | 1.0 |
