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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Health Care Women Int. 2017 Dec 6;39(1):19–33. doi: 10.1080/07399332.2017.1391263

Table 1.

Institute of Medicine (IOM) Recommendations for Weight Gain During Pregnancy, by Prepregnancy BMIa

Pre-Pregnancy BMI Total Weight Gain Range (lbs.)
Underweight (< 18.5) 28–40
Normal weight (18.5–24.9) 25–35
Overweight (25.0–29.9) 15–25
Obese ( ≥30.0) 11–20

BMI= Body Mass Index

a

Guidelines are for singleton pregnancies.