Weekly Pregnancy Weight Gain

Online health calculator, which helps to calculate how much weight, should gain weekly during the pregnancy period.

Weight before pregnancy
Current weight
Current week of pregnancy
Please, Enter all values correctly.
You were (Based on Pre-pregnancy BMI)
Comparing to current weight you were
Weight gain at 40th week
Weight gain at 1 week
Weight at 40th week

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 healthy calories 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 pound 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, higher birth weight is important for their health. When carrying twins, you may need between 3,000 and 3,500 calories a day.

Where Does the Extra Weight Go During Pregnancy?
Baby: 8 pounds
Placenta: 2-3 pounds
Amniotic fluid: 2-3 pounds
Breast tissue: 2-3 pounds
Blood supply: 4 pounds
Stored fat for delivery and breastfeeding: 5-9 pounds
Larger uterus: 2-5 pounds
Total: 25-35 pounds
Is It Safe to Lose Weight When Pregnant?
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.

How to Gain the Right Amount of Weight During Pregnancy
If your health care provider wants you to gain weight while you’re pregnant, try these tips:

Eat five to six small meals every day.
Keep quick, easy snacks on hand, such as nuts, raisins, cheese and crackers, dried fruit, and ice cream or yoghurt.
Spread peanut butter on toast, crackers, apples, bananas, or celery. One tablespoon of creamy peanut butter gives you about 100 calories and 7 grams of protein.
Add nonfat powdered milk to mashed potatoes, scrambled eggs, and hot cereal.
Add extras to your meal, such as butter or margarine, cream cheese, gravy, sour cream, and cheese.



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