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Table 2 The American Institute of Medicine (IOM) recommendations for gestational weight gain (GWG)

From: Intake of dairy protein during pregnancy in IBD and risk of SGA in a Norwegian population-based mother and child cohort

Prepregnant categories of BMI (kg/m2)

GWG (kg) according to IOM recommendations

BMI < 18.5

12.5 < GWG < 18

18.5 < BMI < 24.9

11.5 < GWG < 15

25 < BMI < 29.9

7 < GWG < 11.5

BMI > 30

5 < GWG < 9

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