(HealthDay News) -- It's healthy and normal to gain weight during pregnancy -- up to a point.

The womenshealth.gov website offers these guidelines for how many pounds you should expect to gain while you're pregnant:

  • Women who were at a normal weight before pregnancy should expect to gain 25 to 30 pounds.
  • Women who were underweight before pregnancy should gain 28 to 40 pounds.
  • Women who were overweight before pregnancy should gain 15 to 25 pounds.
  • Women who were obese before pregnancy should gain 11 to 20 pounds.

The site advises checking with your doctor to learn an amount of weight gain that's safe for you.