Pregnancy My Pregnant Body Pregnancy Weight Gain How to Chart Your Pregnancy Weight Gain Wondering how much weight you should gain during pregnancy? For optimal health, here's how many pounds experts recommend new moms put on by week and by trimester. By Parents Editors Published on June 11, 2015 Share Tweet Pin Email Pregnancy is one time in your life when it's perfectly acceptable to put on pounds. But it's important to have slow and steady gain and to keep your weight within healthy range for your body type. Here are some general guidelines—but remember to ask your healthcare provider for specific recommendations. RELATED: Pregnancy Weight Gain: What to Expect and Why It's Not As Bad As You Think Determine Your Pre-pregnancy Weight If you're 5' tall... Underweight: Less than 102 poundsNormal: 102-132 poundsOverweight: 133-147 poundsObese: More than 148 pounds If you're 5'2" Underweight: Less than 107 poundsNormal: 107-141 poundsOverweight: 142-157 poundsObese: More than 158 pounds If you're 5'4" Underweight: Less than 116 poundsNormal: 116-152 poundsOverweight: 153-170 poundsObese: More than 171 pounds If you're 5'6" Underweight: Less than 123 poundsNormal: 123-161 poundsOverweight: 162-180 poundsObese: More than 181 pounds If you're 5'10" Underweight: Less than 138 poundsNormal: 138-181 poundsOverweight: 182-202 poundsObese: More than 203 pounds Pregnancy Weight Gain Chart Then use your ranking to figure out how much weight you should gain in 40 weeks: Underweight before pregnancy: 28-40 pounds Normal weight before pregnancy: 25-35 pounds Overweight before pregnancy: 15-25 pounds Obese before pregnancy: 11-20 pounds If you’re carrying twins, pregnancy weight gain should vary slightly: Underweight before pregnancy: 50-62 poundsNormal weight before pregnancy: 37-54 poundsOverweight before pregnancy: 31-50 poundsObese before pregnancy: 25-42 pounds Pregnancy Weight Gain By Week First Trimester Weight Gain Gain 0 to 1 1/2 pounds per month for a total of 1-4.5 pounds.Consume the same amount or no more than an extra 150-200 calories a day (for example, a glass of skim milk, and two slices of turkey breast) Second Trimester Weight Gain Gain about 1 pound per week for a total of 12 to 14 pounds.Consume an extra 300 calories a day (for example, a cup of carrot-orange juice and a cup of low-fat fruit-flavored yogurt). Third Trimester Weight Gain Gain 3/4 to 1 pound per week (weight gain often slows during the last month) for a total of 10 to 14 pounds.Consume an extra 300-450 calories a day (for example, a cup of low-sodium tomato juice and a small whole-grain bagel spread with low-fat cream cheese). Was this page helpful? Thanks for your feedback! Tell us why! Other Submit