Table 1.

Body mass index and gestational weight gain classifications

	International BMI classification in kg/m2 [20]	Asian BMI classification in kg/m2 [21]	IOM recommended GWG in kg [13]
Underweight	<18.5	<18.5	12.5–18
Normal	18.5–24.9	18.5–22.9	11.5–16
Overweight	25.0–29.9	23.0–27.4	7–11.5
Obese	≥30.0	≥27.5	5–9