Eating a healthy, balanced diet will help your baby get the nutrients they need and grow at a healthy rate. But how many extra calories do you really need? Though you do need some extra calories, it's not necessary to ''eat for two.'' The average pregnant woman needs only about 300 healthycalories more a day than they did before they were pregnant. This will help them gain the right amount of weight during pregnancy. Ask your health care provider how much weight you should gain. A woman who was average weight before getting pregnant should gain 25 to 35 pounds after becoming pregnant. Underweight women should gain 28 to 40 pounds. And overweight women may need to gain only 15 to 25 pounds during pregnancy. In general, you should gain about 2 to 4 pounds during the first 3 months you're pregnant and 1 pound a week during the rest of your pregnancy. If you are expecting twins you should gain 35 to 45 pounds during your pregnancy. This would be an average of 1 ½ pounds per week after the usual weight gain in the first 3 months. It's especially important to gain the right amount of weight when you're expecting twins because your weight affects the babies' weight. And because twins are often born before the due date, a higher birth weight is important for their health. When carrying twins, you may need between 3,000 and 3,500 calories a day. If a woman is very overweight when they get pregnant, their doctor may want them to lose weight. They should only lose weight under their doctor's care. But in most cases, women should not try to lose weight or diet during pregnancy. If your health care provider wants you to gain weight while you're pregnant, try these tips:
If you have gained more weight than your doctor recommended, talk to your doctor about it. In most cases, you'll want to wait until after delivery to lose weight. Here are some tips to slow your weight gain:
Talk to your doctor if you:
Weight is an important part of your health and wellbeing during pregnancy. Weight gain during pregnancyThe amount of weight you gain during pregnancy can affect your own health as well as your baby’s health and development. But how much should you gain? The recommended amount of weight gain depends on your pre-pregnancy weight. The recommendations below are a guide only: there are circumstances where a different weight goal may be recommended by your midwife, doctor or dietitian.
* Average gain in the first three months is 1/2 to 2 kilos for everyone. Factors that can influence how much weight you gain
How to maintain a healthy weight during pregnancy
For more information, including tips on food choices and meal planning, download the fact sheet Weight gain during pregnancy How to monitor your weight gainMonitoring your weight during pregnancy may help you understand if you are gaining too much or too little weight, and when to seek help if needed. If you would like to track your weight gain over the course of your pregnancy click on the link Weight Gain During Pregnancy below to access the worksheets . There are four worksheets to choose from based on your pre-pregnancy BMI (body mass index).
To calculate your BMI, take your pre-pregnancy weight in kilos divided by your height in meters squared. For example; if your pre-pregnancy weight is 72 kg and your height is 162 centimetres (1.62 meters), to work out your BMI, divide your weight by your height then divide again by height, i.e. 72 ÷ 1.62 ÷ 1.62 = 27. Your BMI is 27, therefore download Weight gain worksheet: BMI 25 to 29
The Women’s does not accept any liability to any person for the information or advice (or use of such information or advice) which is provided on the Website or incorporated into it by reference. The Women’s provide this information on the understanding that all persons accessing it take responsibility for assessing its relevance and accuracy. Women are encouraged to discuss their health needs with a health practitioner. If you have concerns about your health, you should seek advice from your health care provider or if you require urgent care you should go to the nearest Emergency Dept.
Is weight gain important during pregnancy? Yes. Gaining the right amount of weight during pregnancy can help protect your health and the health of your baby. If you gain too little weight during pregnancy, you’re more likely than other women to:
If you gain too much weight during pregnancy, you’re more likely than other women to:
How much weight should you gain during pregnancy? Your health care provider uses your body mass index (also called BMI) before pregnancy to figure out how much weight you should gain during pregnancy. BMI is a measure of body fat based on your height and weight. To find out your BMI, go to www.cdc.gov/bmi. If you’re pregnant with one baby or twins, use the following chart to find your recommended weight gain based on your BMI before pregnancy. If you’re pregnant with triplets or more, talk to your provider about the amount of weight you should gain during pregnancy. If you’re overweight or obese and are gaining less than the recommended amounts, talk to your provider. If your baby is still growing well, your weight gain may be fine. Gaining weight slowly and steadily is best. Don't worry too much if you don’t gain any weight in the first trimester, or if you gain a little more or a little less than you think you should in any week. You may have some growth spurts—this is when you gain several pounds in a short time and then level off. Don’t ever try to lose weight during pregnancy. If you’re worried about your weight gain, talk to your health care provider. How can you track your weight gain during pregnancy? Your provider checks your weight at each prenatal care visit. Use our weight-gain tracking chart to track your weight yourself. Where do you gain the weight during pregnancy? You know that your growing baby makes up part of the weight you’re gaining. But what about the rest? Here’s a general idea:
Last reviewed: September 2020 |