Table 1 Maternal, fetal, and obstetric characteristics of vaginal breech deliveries and non-urgent cesarean sections at 32 + 0—36 + 6 gestational weeks 2004–2017 in Finland
Vaginal breech labor n / % 535 / 100% | Non-urgent cesarean section n / % 227 / 100% | P-value | Crude OR | 95% confidence interval | |
|---|---|---|---|---|---|
Maternal age < 25y | 8 / 1.5% | 2 / 0.9% | 0,712 | 1.71 | 0.36—8.11 |
Maternal age ≥ 35y | 116 / 21.7% | 53 / 23.3% | 0,712 | 0.91 | 0.63- 1.32 |
Nulliparous | 287 / 57.7% | 132 / 58.1% | 0,253 | 0.83 | 0.61—1.14 |
Multipara ≥ 3 deliveries | 41 / 7.7% | 17 / 7.5% | 0,934 | 1.03 | 0.57—1.85 |
Maternal smoking | 76 / 14.2% | 36 / 15.9% | 0,556 | 0.88 | 0.57—1.35 |
Maternal BMI ≥ 30 | 25 / 4.7% | 15 / 6.6% | 0,273 | 0.69 | 0.36—1.34 |
History of induced abortion | 69 / 12.9% | 22 / 9.7% | 0,212 | 1.38 | 0.83—2.29 |
History of miscarriage | 114 / 21.3% | 60 / 26.4% | 0,123 | 0.75 | 0.53—1.08 |
History of cesarean section | 30 / 5.6% | 56 / 24.7% | < 0,001 | 0.18 | 0.11—0.29 |
Assisted reproduction technology | 19 / 3.6% | 17 / 7.5% | 0,019 | 0.45 | 0.23—0.89 |
Diabetes mellitus type I | 2 / 0.4% | 32 / 14.1% | < 0,001 | 0.02 | 0.01- 0.10 |
Diabetes mellitus type II | 2 / 0.4% | 1 / 0.4% | 0,893 | 0.85 | 0.08—9.40 |
Gestational diabetes mellitus | 53 / 9.9% | 15 / 6.6% | 0,144 | 1.55 | 0.86—2.82 |
Oligohydramnios | 5 / 0,9% | 14 / 6.2% | < 0,001 | 0.14 | 0.05—0.40 |
Preeclampsia / pregnancy-induced high blood pressure | 12 / 2.2% | 46 / 20.3% | < 0,001 | 0.09 | 0.05—0.17 |
PPROM | 132 / 24.7% | 39 / 17.2% | 0,023 | 1.58 | 1.06—2.35 |
Birth weight < 10th percentile | 22 / 7.6% | 42 / 18.5% | < 0,001 | 0.19 | 0.11—0.32 |
Birth weight > 90th percentile | 6 / 1.1% | 13 / 5.7% | < 0,001 | 0.19 | 0.07—0.50 |
Epidural analgesia | 221 / 41.3% | 0 / 0% | < 0,001 | ||
Administration of antenatal corticosteroids | 88 / 16.4% | 106 / 46.7% | < 0,001 | 0.22 | 0.16—0.32 |
Neonatal female sex | 264 / 49.3% | 124 / 54.6% | 0,182 | 0.81 | 0.59—1.10 |