Nutritional status before pregnancy BMI (kg/m2) Weight gain during pregnancy (Kg) Weight gain per week in the 2nd and 3rd trimester (Kg)
Underweight <18.5 12.5 – 18 0.5
Eutrophic 18.5-24.9 11 – 16 0.4
Overweight 25.0-29.9 7 – 11.5 0.3
Obesity ≥30.0 5 - 9 0.2