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Managing your weight gain during pregnancy

What Is the Right Amount of Weight to Gain?

Most women should gain somewhere between 25 and 35 pounds during pregnancy. Most women will gain 2 - 4 pounds during the first trimester, and 1 pound a week for the rest of the pregnancy. Through the entire pregnancy:

  • Overweight women need to gain less (15 - 20 pounds or less, depending on their pre-pregnancy weight).
  • Underweight women will need to gain more (28 - 40 pounds).
  • You should gain more weight if you are having more than one baby. Women having twins need to gain 37 - 54 pounds.

A balanced ,nutrient-rich diet, along with exercise, is the basis for a healthy pregnancy. For most pregnant women, the right amount of calories is:

  • 1,800 calories per day in the first trimester
  • 2,200 calories per day in the second trimester
  • 2,400 calories per day in the third trimester

What's Causing the Weight Gain?

Much of the weight that you gain during pregnancy is not fat, but is related to the baby. Here is a breakdown of how 35 pounds add up:

  • Baby: 8 pounds
  • Placenta: 2 - 3 pounds
  • Amniotic fluid: 2 - 3 pounds
  • Breast tissue: 2 - 3 pounds
  • Blood supply: 4 pounds
  • Fat stores: 5 - 9 pounds
  • Uterus growth: 2 - 5 pounds

Managing Weight During Pregnancy

Some women are already overweight when they get pregnant. Other women gain weight too quickly during their pregnancy. Either way, a pregnant woman should not go on a diet or try to lose weight during pregnancy.

It is better to focus on eating the right foods and staying active. If you do not gain enough weight during pregnancy, you and your baby may have problems.

Still, you can make changes in your diet to get the nutrients you need without gaining too much weight. Talk to your doctor of midwife to get help with planning a healthy diet.

Below are some healthy eating tips should help you get started.

Healthy choices:       

  • Fresh fruits and vegetables make good snacks. They are full of vitamins and low in calories and fat.
  • Eat breads, crackers, and cereals made with whole grains.
  • Choose reduced-fat dairy products. You need at least four servings of milk products every day. However, using skim, 1%, or 2% milk will greatly reduce the amount of calories and fat you eat. Also choose low-fat or fat-free cheese or yogurt.

Foods to avoid:

  • Naturally sweetened is better than foods and drinks with added sugar or artificial sweeteners.
  • Food and drinks that list sugar or corn syrup as one of the first ingredients are not good choices.
  • Many sweetened drinks are high in calories. Read the label and watch out for drinks that are high in sugar. Substitute water for sodas and fruit drinks.
  • Avoid junk-food snacks, such as chips, candy, cake, cookies, and ice cream. The best way to keep from eating junk food or other unhealthy snacks is to not have these foods in your house.
  • Do not add salt to foods when cooking. Salt causes your body to retain water.
  • Go light on fats. Fats include cooking oils, margarine, butter, gravy, sauces, mayonnaise, regular salad dressings, sauces, lard, sour cream, and cream cheese. Try the lower fat versions of these foods.

Eating out:

  • Knowing the amount of calories, fat, and salt in your food can help you eat healthier.
  • Most restaurants have menus and nutrition facts on their websites. Use these to plan ahead.
  • In general, eat at places that offer salads, soups, and vegetables.
  • Avoid fast food.

Cooking at home:

  • Prepare meals using low-fat cooking methods.
  • Frying foods in oil or butter will increase the calories and fat of that meal.
  • Baking, broiling, grilling, or boiling are healthier, lower-fat methods of cooking.

Exercise:·

  • Moderate exercise, as recommended by your health care provider, can help burn extra calories.
  • Walking or swimming are generally safe, effective exercises for pregnant women.
  • Be sure to talk to your health care provider before starting an exercise program.

Body Image During Pregnancy

If you've struggled with your weight in the past, it may be hard to accept that it's okay to gain weight now. It's normal to feel anxious as the numbers on the scale edge up.

Keep in mind that weight gain is needed for a healthy pregnancy. The extra pounds will come off after you've had the baby. On the other hand, if you gain a lot more weight than is recommended, your baby will also be bigger, which can sometimes lead to problems with delivery. A healthy diet and regular exercise are your best ways to ensure a healthy pregnancy and baby.


Review Date: 8/23/2012
Reviewed By: Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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