Normal weight | Obesity | p | |
---|---|---|---|
11,797 | 2991 | ||
N (%) | N (%) | ||
Maternal characteristics | |||
Age (years) (mean ± sd) | 31.82 ± 5.51 | 32.88 ± 5.45 | < 0.001 |
Age class (years) | < 0.001 | ||
< 25 | 1343 (11.4) | 213 (7.1) | |
[25–30[ | 3096 (26.2) | 735 (24.6) | |
[30–35[ | 3953 (33.5) | 974 (32.6) | |
≥ 35 | 3405 (28.9) | 1069 (35.7) | |
Multiparous women | 6639 (56.3) | 2280 (76.2) | < 0.001 |
Previous cesarean delivery | < 0.001 | ||
1 | 1082 (9.2) | 561 (18.8) | |
≥ 2 | 220 (1.9) | 246 (8.2) | |
Body mass index before pregnancy (kg/m2) (mean ± sd) | 21.48 ± 1.66 | 33.47 ± 3.54 | < 0.001 |
Smoker | 1585 (13.7) | 307 (10.6) | < 0.001 |
Diabetes mellitus | 94 (0.8) | 113 (3.8) | < 0.001 |
Chronic hypertension | 116 (1.0) | 163 (5.4) | < 0.001 |
Bariatric surgery | < 0.001 | ||
Bypass | 30 (0.3) | 36 (1.2) | |
Sleeve gastrectomy | 28 (0.2) | 56 (1.9) | |
Gastric band | 14 (0.1) | 68 (2.3) | |
Hight medical risk level at the beginning of pregnancya | 1880 (15.9) | 878 (29.4) | < 0.001 |
Pregnancy characteristics | |||
Complications of pregnancyb | 1042 (8.8) | 870 (29.1) | < 0.001 |
Twin pregnancy | 481 (4.1) | 105 (3.5) | 0.172 |
Fetal presentation | 0.019 | ||
Cephalic | 11,117 (94.2) | 2782 (93.0) | |
Breech | 659 (5.6) | 198 (6.6) | |
Transverse | 20 (0.2) | 10 (0.3) | |
Weight intake during pregnancy (mean ± sd) | 12.24 ± 5.28 | 7.74 ± 7.00 | < 0.001 |
Excessive total GWGc | 2691 (23.7) | 1308 (45.7) | < 0.001 |
Gestational diabetes requiring insulin | 162 (1.4) | 295 (9.9) | < 0.001 |
Gestational diabetes without insulin | 477 (4.0) | 361 (12.1) | < 0.001 |
In utero transfer | 198 (1.7) | 57 (1.9) | 0.439 |
Premature rupture of membranes | 163 (1.4) | 76 (2.5) | < 0.001 |
Preterm labor | 725 (6.1) | 158 (5.3) | 0.083 |
Gestational hypertension | 80 (0.7) | 105 (3.5) | < 0.001 |
Preeclampsia | 233 (2.0) | 151 (5.0) | < 0.001 |
HELLP syndrome | 15 (0.1) | 8 (0.3) | 0.081 |
Eclampsia | 2 (0.0) | 1 (0.0) | 0.57 |
Suspected small for gestational age | 254 (2.2) | 40 (1.3) | 0.005 |
Cholestasis | 126 (1.1) | 40 (1.3) | 0.25 |
Deep vein thrombosis during pregnancy | 9 (0.1) | 3 (0.1) | 0.958 |
Pulmonary embolism during pregnancy | 1 (0.0) | 3 (0.1) | 0.035 |
Delivery characteristics | |||
Gestational age at delivery | |||
< 28 | 70 (0.6) | 33 (1.1) | 0.004 |
[28–34[ | 304 (2.6) | 106 (3.5) | 0.004 |
[34–37[ | 679 (5.8) | 186 (6.2) | 0.35 |
[37–41[ | 8634 (73.2) | 2124 (71.0) | 0.02 |
≥ 41 | 2110 (17.9) | 542 (18.1) | 0.78 |
Induction | 2515 (21.3) | 870 (29.1) | < 0.001 |
Induction indication | < 0.001 | ||
Fetal | 826 (7.0) | 258 (8.6) | 0.003 |
Maternal | 155 (1.3) | 82 (2.7) | < 0.001 |
Premature rupture of membranes | 857 (7.3) | 251 (8.4) | 0.04 |
Post term | 404 (3.4) | 131 (4.4) | 0.01 |
Gestational hypertension or preeclampsia | 246 (2.1) | 146 (4.9) | < 0.001 |
Non medical | 27 (0.2) | 2 (0.1) | 0.11 |
Delivery mode | < 0.001 | ||
Vaginal delivery | 10,130 (85.9) | 2150 (71.9) | |
Cesarean delivery | 1667 (14.1) | 841 (28.1) |