TABLE G-35Predicted Cesarean Delivery Probabilities by Pregravid BMI

Pregravid BMICesarean Delivery Probabilities (95% CI)
Observed DataIOM GainOken Gain
Underweight0.17 (0.14, 0.21)0.19 (0.14, 0.25)0.19 (0.14, 0.25)
Normal weight0.21 (0.19, 0.22)0.22 (0.19, 0.28)0.22 (0.19, 0.28)
Overweight0.30 (0.27, 0.33)0.32 (0.26, 0.38)0.29 (0.25, 0.34)
Obese0.35 (0.30, 0.40)0.38 (0.32, 0.46)0.38 (0.32, 0.46)

From: G, Consultant Reports

Cover of Weight Gain During Pregnancy
Weight Gain During Pregnancy: Reexamining the Guidelines.
Institute of Medicine (US) and National Research Council (US) Committee to Reexamine IOM Pregnancy Weight Guidelines; Rasmussen KM, Yaktine AL, editors.
Washington (DC): National Academies Press (US); 2009.
Copyright © 2009, National Academy of Sciences.

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