Table 2 Population characteristics during the study period
TOTAL | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | |
Total of induction of labor | 9523 | 23.3 | 993 | 19.3 | 1086 | 22.0 | 1099 | 21.3 | 1135 | 21.8 | 1254 | 24.2 | 1314 | 25.3 | 1238 | 25.2 | 1404 | 27.4 |
Maternal age (y) | 33 | +/- 7.3 | 32.8 | +/- 6.9 | 33,2 | +/- 6.9 | 32,7 | +/- 7.0 | 32,8 | +/- 7.0 | 33,2 | +/- 6.9 | 33.3 | +/- 6.8 | 33.3 | +/- 6.9 | 32.9 | +/- 6.8 |
Prepregnancy BMI | 23,8 | +/- 7.5 | 24 | +/- 5.2 | 23,7 | +/- 5.2 | 23,6 | +/- 5.2 | 24,3 | +/- 5.1 | 23,6 | +/- 5.0 | 23.5 | +/- 5.0 | 24,0 | +/- 5.1 | 23.8 | +/- 5.0 |
Country of birth | ||||||||||||||||||
Metropolitan France | 4766 | 50 | 462 | 46.5 | 510 | 47.0 | 535 | 48.7 | 534 | 47.0 | 617 | 49.2 | 683 | 52.0 | 635 | 51.3 | 790 | 56.3 |
Other | 4757 | 50 | 531 | 53.4 | 576 | 53.1 | 564 | 51.3 | 601 | 52.9 | 637 | 50.8 | 631 | 48.1 | 603 | 48.7 | 614 | 43.8 |
Hypertension | 174 | 1.8 | 11 | 1.1 | 18 | 1.7 | 25 | 2.3 | 26 | 2.3 | 28 | 2.2 | 24 | 1.8 | 22 | 1.8 | 20 | 1.4 |
Diabetes | 234 | 2.5 | 22 | 2.2 | 26 | 2.4 | 25 | 2.3 | 30 | 2.6 | 33 | 2.6 | 34 | 2.6 | 36 | 2.9 | 28 | 2.0 |
Primiparous | 5664 | 59.5 | 604 | 60.8 | 666 | 61.3 | 697 | 63.4 | 686 | 60.4 | 762 | 60.8 | 767 | 58.4 | 703 | 56.8 | 779 | 55.5 |
Pregnancy obtained by HAR | 1127 | 11.8 | 98 | 9.9 | 134 | 12.3 | 109 | 9.9 | 134 | 11.8 | 181 | 14.4 | 163 | 12.4 | 154 | 12.4 | 154 | 11.0 |
Gestational age at delivery | 39.4 | +/- 1.9 | 39.5 | +/-1.9 | 39,5 | +/ 1.7 | 39,3 | +/ 1.9 | 39.4 | +/ 1.9 | 39.3 | +/ 1.9 | 39,3 | +/ 1.9 | 39.2 | +/ 1.9 | 39.4 | +/ 1.9 |
Mode of delivery | ||||||||||||||||||
Spontaneous vaginal delivery | 6175 | 64,8 | 590 | 59,4 | 710 | 65,4 | 677 | 61,6 | 729 | 64,2 | 820 | 65,4 | 910 | 69,3 | 813 | 65,7 | 926 | 66,0 |
Instrumental vaginal delivery | 886 | 9,3 | 110 | 11,1 | 101 | 9,3 | 109 | 9,9 | 87 | 7,7 | 125 | 10,0 | 112 | 8,5 | 118 | 9,5 | 124 | 8,8 |
Caesarean section | 2462 | 25,9 | 293 | 29,5 | 275 | 25,3 | 313 | 28,5 | 319 | 28,1 | 309 | 24,6 | 292 | 22,2 | 307 | 24,8 | 354 | 25,2 |
Birthweight (g) | 3263 | +/-574 | 3274 | +/- 551 | 3288 | +/-549 | 3259 | +/- 550 | 3270 | +/- 550 | 3239 | +/- 545 | 3237 | +/- 542 | 3237 | +/- 546 | 3299 | +/- 539 |