Class I obesity

Class II obesity

Class III obesity

p-Value

Weekly GWG (lbs) [mean (SD)]

1.98 (2.45)

1.68 (2.51)

1.60 (2.75)

0.276

BMI at delivery [mean (SD)]

35.91 (4.48)

40.05 (3.28)

48.46 (5.72)

0.000

Composite morbidity index-maternal

No complications

246 (72.6%)

106 (66.3%)

73 (17.2%)

0.027

Has 1 or more complications

93 (27.4%)

54 (33.8%)

49 (40.2%)

Number of complications [mean (SD)]

0.32 (0.55)

0.43 (0.67)

0.50 (0.70)

0.010

Composite morbidity index-fetal

No complications

278 (86.1%)

123 (82.0%)

79 (71.8%)

0.003

Has 1 or more complications

45 (13.9%)

27 (18.0%)

31 (28.2%)

Number of complications [mean (SD)]

0.15 (0.39)

0.19 (0.41)

0.35 (0.64)

0.000