Calculadora de Ganho de Peso na Gravidez — Formula

IOM Pregnancy Weight Gain Guidelines

Pre-Pregnancy BMIRecommended Gain Underweight (<18.5)28-40 lbs Normal (18.5-24.9)25-35 lbs Overweight (25-29.9)15-25 lbs Obese (30+)11-20 lbs

Most weight gain occurs in the second and third trimesters, with about 1-2 lbs per week being typical for normal-weight women.

Exemplo Resolvido

A 140 lb, 65-inch tall woman at 20 weeks pregnant.

  1. Pre-pregnancy BMI = (140 x 703) / (65 x 65) = 23.3 (Normal)
  2. Recommended total gain = 25-35 lbs
  3. Expected by week 20 = 25 x 0.25 + (25 x 0.75) x 7/27 = 6.25 + 4.9 = 11.1 lbs (low end)