From: Associations of pre-pregnancy body mass index and gestational weight gain with pregnancy outcome and postpartum weight retention: a prospective observational cohort study
Prepregnant BMI categories
According to IOM recommendations
< 18.5
12.5 – 18 kg
18.5-24.9
11.5 – 16 kg
25 – 29.9
7 – 11.5 kg
>30.0
5-9Â kg