Global population n = 800 2015 n = 201 2016 n = 198 2017 n = 201 2018 n = 200
p
Age (years) 31.2 ± 5.9 30.8 ± 5.9 31.4 ±5.4 30.5 ±6.3 31.9 ±5.7 0.0654
BMI 25.5 ±5.9 24.8 ±5.5 25.9 ±6.9 25.3 ±5.4 25.8 ±5.8 0.2373
Primiparous
405 50.6 % 101 50.2% 94 47.5% 122 60.7% 88 44%
0.0059
Scarred uterus
230 28.8% 55 27.4% 58 29.3% 44 21.9% 73 36.5%
0.0135
Therapeutic termination of pregnancy or fetal death in utero
4 0.5% 1 0.5% 2 1% 0 0% 1 0.5%
0.4342
Cesarean section during labor
658 82.3% 168 83.6% 172 86.9% 149 74.1% 169 84.5%
0.0048
Induction of labor
317 36.9% 67 33.3% 87 43.9% 89 44.3% 74 37.0%
0.0640
Term (in weeks of gestation)
38.3 ±3.5
38.5 ±3.6
38.6 ±3.1
38.0 ±3.8
38.1 ±3.6
0.2502