| Study populationa (N = 116) | Total populationb (N = 5633) |
Maternal age years, at birth (SD) | 33.5 (4.4) | 32.9 (4.6) |
Primiparas % | 27.6 | 29.2 |
Gestational agec weeks, at birth (SD) | 38.6 (0.94) | 38.5 (0.84) |
Previous CS % | 45.7 | 46.9 |
Blood loss ≥ 1000 ml during CS % | 0 | 2.5 |
Birth weight g (SD) | 3527 (504) | 3497 (510) |
Small for gestational agec (z-score < −2.0) % | 0.9 | 1.0 |
Fetal macrosomia (≥4500 g) % | 3.4 | 3.7 |
Placenta previa % | 3.4 | 3.2 |
Fetal malpresentationd % | 16.4 | 15.6 |