Table 2 Outcomes of mothers by BMI category
Characteristics | Total (n = 17,048) | Maternal BMI, kg/m2 | P-value | ||
|---|---|---|---|---|---|
< 30 (n = 15,878) | 30–39 (n = 653) | ≥ 40 (n = 517) | |||
Maternal outcomes | |||||
Antepartum period | |||||
Pre-eclampsia and eclampsia | 1210 (7.1) | 1049 (6.6) | 79 (12.1) | 82 (15.9) | < 0.001 |
Gestational diabetes | 850 (5.0) | 695 (4.4) | 71 (10.8) | 84 (16.3) | < 0.001 |
Antepartum hemorrhage | 141 (0.8) | 138 (0.9) | 0 (0.0) | 3 (0.6) | - |
Placenta previa | 885 (5.2) | 833 (5.3) | 36 (5.5) | 16 (3.2) | 0.122 |
PPROM | 1444 (8.5) | 1347 (8.5) | 52 (7.9) | 45 (8.7) | 0.861 |
CAM | 201 (1.2) | 184 (1.2) | 12 (1.8) | 5 (1.0) | 0.259 |
Intrapartum period | |||||
Forceps | 133 (0.8) | 125 (0.8) | 4 (0.6) | 4 (0.8) | 0.858 |
Cesarean delivery | 8001 (46.9) | 7335 (46.2) | 349 (53.5) | 317 (61.4) | < 0.001 |
Post-partum period | |||||
Post-partum hemorrhage | 1059 (6.2) | 979 (6.2) | 48 (7.4) | 32 (6.1) | 0.467 |
DIC | 61 (0.4) | 54 (0.3) | 1 (0.2) | 6 (1.2) | 0.009 |
VTE | 203 (1.2) | 189 (1.2) | 6 (0.9) | 8 (1.5) | 0.629 |
Post-partum hysterectomy | 3 (0.0) | 3 (0.0) | 0 (0.0) | 0 (0.0) | - |
Transfusion | 1 (0.0) | 1 (0.0) | 0 (0.0) | 0 (0.0) | - |
Hospital stay ≥ 6 days | 1208 (7.1) | 1085 (6.9) | 60 (9.2) | 63 (12.2) | < 0.001 |
Fetal outcomes | |||||
Stillbirth and IUFD | 138 (0.8) | 124 (0.8) | 6 (0.9) | 8 (1.6) | 0.095 |
IUGR | 661 (3.9) | 615 (3.9) | 26 (4.0) | 20 (3.9) | 0.988 |
Premature birth | 1359 (8.0) | 1271 (8.0) | 51 (7.8) | 37 (7.2) | 0.791 |
LGA | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | - |
Birth defect | 300 (1.8) | 280 (1.8) | 13 (2.0) | 7 (1.4) | 0.754 |
Abortion | 118 (0.7) | 105 (0.7) | 9 (1.4) | 4 (0.8) | 0.085 |