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. 2012 Feb;74(1-2):83–92.

Table 4.

Associations of pregnancy, delivery, and neonatal complications with maternal obesity

Characteristics Obesea Non-obeseb ORc 95% CId P value
N (%) N (%)
Pregnancy complications
No 7 (41.2) 98 (70.0) 1 Reference
Yes 10 (58.8) 42 (30.0) 3.6 1.2–10.6 0.040
Eclampsia/pre-eclampsia
No 14 (82.4) 136 (97.1) 1 Reference
Yes 3 (17.6) 4 (2.9) 24.7 2.2–44.8 0.010
Amniotic fluid disorders
No 14 (82.4) 122 (87.1) 1 Reference
Yes 3 (17.6) 18 (12.9) 1.7 0.4–7.1 0.449
Placental insufficiency
No 11 (64.7) 112 (80.0) 1 Reference
Yes 6 (35.3) 28 (20.0) 2.2 0.7–6.8 0.171
Delivery complications
No 14 (82.4) 97 (69.3) 1 Reference
Yes 3 (17.6) 43 (30.7) 0.6 0.2–2.3 0.460
Premature rupture of membrane
No 16 (94.1) 106 (75.7) 1 Reference
Yes 1 (5.9) 34 (24.3) 0.2 0.02–1.6 0.129
Abnormal labore
No 15 (88.2) 134 (95.7) 1 Reference
Yes 2 (11.8) 6 (4.3) 8.1 1.0–63.8 0.056
Delivery outcomes
Vaginal delivery 7 (41.2) 84 (60.0) 1 Reference
Cesarean section 10 (58.8) 56 (40.0) 2.1 0.7–6.2 0.164
Neonatal complications
No 10 (58.8) 105 (75.0) 1 Reference
Yes 7 (41.2) 35 (25.0) 2.3 0.8–6.9 0.131
Fetal macrosomiaf
No 13 (76.5) 126 (90.0) 1 Reference
Yes 4 (23.5) 14 (10.0) 2.2 0.6–8.0 0.244
Intrauterine growth retardation
No 16 (94.1) 134 (95.7) 1 Reference
Yes 1 (5.9) 6 (4.3) 1.5 0.1–15.1 0.738
Cerebral ischemia
No 14 (82.4) 128 (91.4) 1 Reference
Yes 3 (17.6) 12 (8.6) 2.0 0.5–8.8 0.345
Pneumonia
No 15 (88.2) 135 (96.4) 1 Reference
Yes 2 (11.8) 5 (3.6) 3.4 0.6–20.2 0.180
Birth defect
No 14 (82.4) 136 (97.1) 1 Reference
Yes 3 (17.6) 4 (2.9) 8.8 1.5–50.1 0.016

a Obese means women with BMI≥30.0, b Non-obese means women with BMI<30.0; c OR: odds ratio; ORs were adjusted for age of mother at delivery and parity; d CI: confidence interval; e abnormal labor refers to a process that deviates from what most women undergoing spontaneous vaginal delivery experience,16) f birth weight >4000 grams as fetal macrosomia regardless of gestational age17)