Risk Factors for Excessive Gestational Weight Gain in a Healthy, Nulliparous Cohort

Table 1

Institute of Medicine guidelines for recommended gestational weight gain based on prepregnancy body mass index [5].

Body mass index	Gestational weight gain (kg/wk)
	Low	Normal	Excessive
Normal weight; (18.5–24.9 kg/m^2)	<0.35	0.35–0.50	>0.50
Overweight (25.0–29.9 kg/m^2)	<0.23	0.23–0.33	>0.33
Obese (≥30.0 kg/m^2)	<0.17	0.17–0.27	>0.27