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. Author manuscript; available in PMC: 2017 Mar 16.
Published in final edited form as: Contemp Clin Trials. 2015 May 6;43:63–74. doi: 10.1016/j.cct.2015.04.013

Table 1.

Recommended Gestational Weight Gain (IOMa)

Pre-pregnancy BMI Total Weight Gain
Range in kg (pounds)
Underweight (< 18.5 kg/m2) 12.5 – 18 (28–40)
Healthy weight (18.5 – 24.9 kg/m2) 11.5 – 16 (25–35)
Overweight (25.0 – 29.9 kg/m2) 7 – 11.5 (15–25)
Obese (≥30.0 kg/m2) 5 – 9 (11–20)

Weight Gain During Pregnancy: Reexamining the Guidelines.

Reprinted with permission from the National Academies Press, Copyright 2009, National Academy of Sciences.

a

Institute of Medicine