(HealthDay News) - Women who are at a healthy body weight before pregnancy should gain between 25 pounds and 37 pounds, the American Pregnancy Association says.

It offers this additional information about weight gain during pregnancy:

• Women who are underweight before pregnancy should gain between 28 pounds and 40 pounds.
• Women who are overweight before pregnancy should gain between 15 pounds and 25 pounds.
• Eat healthy meals with sufficient calories, and avoid eating fatty foods and junk food.
• Eat a daily well-rounded diet, including three servings of milk, yogurt, and cheese; three servings of protein; three servings of fruits; four servings of vegetables; and nine servings of whole grain products.