Table 1.

The American Institute of Medicine (IOM) recommendations for gestational weight gain [5]

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	5-9 kg