Excessive weight gain during pregnancy is more common now than it was in 1990 when the Institute of Medicine first offered recommendations for pregnancy-related weight gain. (1) New guidelines from the Institute of Medicine steer clinicians and women to more moderate weight gain goals during pregnancy for women who are obese. (2)
1990 IOM Report | 2009 IOM Report | ||||
Weight
Category |
Prepregnancy
BMI (kg/m2) |
Overall
Weight Gain (lbs) |
Prepregnancy
BMI (kg/m2) |
Overall
Weight Gain (lbs) |
2nd and 3rd
Trimester Rate of Weight Gain (lbs/week) |
Underweight | <19.8 | 28-40 | <18.5 | 28-40 | 1 |
Normal
Weight |
19.8-26.0 | 28-40 | 18.5-
24.9 |
25-35 | 1 |
Overweight | 26.0-29.0 | 15-25 | 25.0-
29.9 |
15-25 | 0.6 |
Obese | >29.0 | At least 15 | >30 | 11-20 | 0.5 |
Back to the article, “Prenatal and Early Life Influences on Adult Weight and Obesity”
References
1. Institute of Medicine. Nutrition during pregnancy: part I: weight gain, part II: nutrient supplements. Washington, D.C.: National Academy Press, 1990.
2. Institute of Medicine. Weight gain during pregnancy: reexamining the guidelines. Washington, D.C.: National Academy Press, 2009.