Table 1 Maternal characteristics and perinatal (labor and neonatal) outcomes (n = 324,664).
Maternal characteristics | |
|---|---|
Age (years) | 31.06 ± 5.08 |
Parity | |
1 | 156,684 (48.3) |
2 | 116,392 (35.8) |
3+ | 51,568 (15.9) |
Origin | |
Swiss | 204,903 (63.1) |
European | 91,581 (28.2) |
Non-European | 28,180 (8.7) |
Smoking during pregnancy | 19,759 (6.1) |
Pre-pregnancy BMI ≥ 30 kg/m2 | 23,456 (7.2) |
- with comorbidities | 5,086 (1.6) |
Pre-pregnancy BMI < 30 kg/m2 | 301,208 (92.8) |
- with comorbidities | 19,978 (6.2) |
Labor outcomes | |
Cesarean section | 93,869 (28.9) |
Epidural anesthesia | 89,883 (27.7) |
Failure to progress in labor | 20,671 (6.4) |
Fetal heart rate anomaly | 75,478 (23.6) |
Induction of labor | 62,661 (19.3) |
Instrumental vaginal delivery | 37,553 (11.6) |
Prolonged labor | 31,825 (9.8) |
Shoulder dystocia | 2,202 (0.7) |
Neonatal outcomes | |
5′ Apgar score ≤ 7 | 17,736 (5.5) |
Early neonatal death | 1,366 (0.4) |
Fracture of the clavicle | 563 (0.2) |
Intensive care unit admission | 14,056 (4.3) |
Macrosomia | 27,281 (8.4) |
Neonatal hypoglycemia (<2 mmol/L) | 2,471 (0.8) |
Preterm birth (<37 weeks of gestation) | 18,411 (5.7) |
Respiratory distress of newborn | 13,584 (4.2) |
