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Pregnancy Weight Gain Calculator And Weight Chart

Pregnancy Weight Gain Calculator
Weight Gain Calculator
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Pregnant with Twins

Missed periods, vomiting, nausea, morning sickness, and suffocation are signs that you are probably pregnant.

Congratulations if you are expecting a baby and going to embrace motherhood. Obviously, it is going to be the most challenging phase of your life and also the most rewarding. The changes your body is going through are significant. For some, the body changes, especially the pregnancy weight during the second and third trimester, is not too massive, but things are quite the opposite for some. Whatever the case, you should not be worried about weight gain during pregnancy and should be more concerned about taking care of your health.

In this blog post, we have highlighted the importance of healthy weight gain during pregnancy. With the help of our pregnancy weight gain calculator, you can easily calculate pregnancy weight gain week by week and through each trimester.

Importance of Weight Gain During PregnancyImportance of Weight Gain During Pregnancy

You are having a baby nourishing inside your body, and while this feeling is surreal, you just cannot unsee the multiple changes your body is going through with every passing week. Out of all these vital changes, the most obvious one is an increase in weight. The increase in the pounds is important to support the development of the body right from the beginning until the baby is ready to come outside the mother’s womb. It’s not just the baby’s weight that contributes to the extra pounds, but also the amniotic fluid, breast tissue, size of the placenta, and the amount of blood that are increased, which results in overall weight gain.

Moreover, additional nutrients are important to consume during pregnancy to ensure healthy fetus development so that the weight gain during pregnancy is healthy for both mother and fetus. Some other important changes are hormone regulation, increase in cardiac movement, and blood volume, which are important for the fetus’s development and to prepare the mother for labor. You gain more weight during the last weeks of pregnancy than in the initial weeks as the fetus develops into a complete human. Any irregular increase or decrease during pregnancy brings labor complications, weight retention after delivery, diabetes, and increased chances of C-section.

All these instances make it important for every pregnant female to get her weight checked more often throughout this time to reduce any chances of complications.

Pregnancy Weight Gain Based on BMI (body mass index)Pregnancy Weight Gain Based on BMI

You cannot predict how much weight you will gain during pregnancy by looking at another pregnant woman. Every woman has a different body and a different pattern of gaining weight. Some may gain excess weight around the chest, some around the hips, and others throughout the body. If you wonder how much weight you will gain during each trimester, there is no fixed or specified number of pounds to predict. The amount of weight you will gain heavily depends upon your pre-pregnancy body weight and BMI. Moreover, it also depends upon whether the pregnant woman has conceived singleton, twins, or triplets.

The chart below lets you easily assess how much weight you may expect to gain. But again, these numbers should not be used as medical standards, and any fluctuation should be accepted if your gynecologist supports it.


Pregnancy weight gain

Below 19 (underweight)30 to 40 pounds
Between 19 and 25 (normal weight)25 to 35 pounds
Between 25 and 30 (overweight)15 to 25 pounds
Over 30 (obese)11 to 20 pounds

This weight gain chart supports the pregnancy with singleton, and the weight gain is different for twins or triplets or any other expectancy. You should monitor the changes inside your body during pregnancy and not consider weight reduction or invisible weight gain as a positive sign.

Pregnancy Weight Gain During Each TrimesterWeight Gain During Each Trimester

The entire duration of pregnancy comprises three trimesters and the weight gain is different during each pregnancy.


Weight gain

1st trimester (from conception till 12 weeks)2 to 4 pounds
2nd trimester (13 weeks till 27 weeks)Half or 1 pound per week (up to 11 pounds in total)
3rd trimester (28 weeks till delivery)1 pound per week (up to 12 pounds in total)

During the 2nd trimester, the weight gain is more obvious as the tiny fetus has now started proper development. Excessive weight gain during any of the trimesters can put the lives of mother and baby at risk, along with labor complications. After childbirth, if you cannot reduce the pregnancy weight within six months, there are increased chances of weight retention and health complications linked to being overweight. Similarly, being underweight during pregnancy also increases the chances of premature birth, neonatal death, or low baby weight.

Why is There a Need for Weight Gain During Pregnancy Calculator?

Till now, you should be pretty much aware of how important it is to gain healthy weight during pregnancy. The majority of the females who conceive for the first time are not aware of certain body changes and usually neglect the increase or decrease in body weight throughout the time. Also, you don’t have to wait for your doctor’s appointment to check your pregnancy weight and see if it is appropriate. Our weight pregnancy tracker will provide you with the number of pounds you have gained during pregnancy, and based on the results, you can track how healthy your pregnancy is.

While measuring your weight with a pregnancy weight calculator, just remember that your doctor’s advice is the only thing that matters during pregnancy. Several factors other than pre-pregnancy weight and BMI result in rapid weight gain, which should only be consulted with a gynecologist.

How to Use a Pregnancy Weight Gain Calculator?

Using a pregnancy weight gain tracker is easy and produces rapid results. Although this tool does not replace the doctor’s advice, you may use it to track your weight during each trimester.

To calculate weight gain during pregnancy, you need to enter the following details in the calculator:

  • Your current pregnancy week
  • Your height
  • Your weight before pregnancy
  • Your current weight
  • Pregnancy with twins or not

After entering all the details, just enter ‘calculate.’

The outcome is based upon the pregnancy stage you are currently in. By looking at the above-mentioned chart, you may easily predict if the weight that you have gained is healthy or not.

Tips to Manage Healthy Weight Gain During PregnancyTips to Manage Healthy Weight Gain During Pregnancy

Overweight females should not gain excessive weight during pregnancy, while underweight women need to gain less. This is the time when a female should not think of going on a diet or should stay away from extreme exercise. But at the same time, it is vital to prioritize healthy weight gain by following a few important things.

  • Add more fruits to your diet and start taking them when you crave for snacks.
  • Eat cereals and bread made with whole grains to gain important nutrients.
  • Add fat-free cheese and yogurt to your diet.
  • Stay away from artificial sweeteners.
  • Avoid fried and too-oily food.
  • Keep yourself active by doing moderate exercises after consulting with your doctor.
  • If your healthcare provider allows, participate in activities such as swimming.
  • Do not follow the ‘eat for two’ notion, as the baby developing inside your womb is just a tiny human and not an adult, so consuming food for an extra adult means that you will rapidly gain extra weight.

The weight a female gains during pregnancy is a major concern as it may be difficult to lose the extra weight gained during pregnancy. If the extra weight is not controlled, it may put you at a risk of increasing blood pressure and gestational diabetes. Acquiring a healthy lifestyle reduces the chances of excessive weight gain during pregnancy.

Bottom Line

Pregnancy weight growth, pre-pregnancy weight, and BMI are not exact standards to measure healthy pregnancy, as every expectant mother is unique. Maintaining your prenatal visit schedule is crucial, as is trying your best to follow a healthy diet and exercise routine as much as possible and discussing any complications you have with your gynae.

Frequently Asked Questions (FAQs)

How do I calculate how much weight I need to gain during pregnancy?

The weight gain during pregnancy depends upon the pre-pregnancy weight and BMI for example, if you have a BMI less than 18, the weight gain throughout pregnancy should be between 30 to 40 pounds. In females with a BMI of 19 to 25, it should be 25 to 35 pounds; for overweight females with a BMI of 25 to 35, the weight gain should be 15 to 25 pounds.

How much weight gain is normal during pregnancy in a kg calculator?

During pregnancy, for females with a BMI between 19 to 25, the weight gain should be between 11 to 15 kilograms, while for obese females with a BMI of more than 30, the weight gain in kgs should be 7 kilograms. For underweight females with a BMI below 18, the weight gain should be 18 kilograms.

How much weight is lost after delivery?

After childbirth, a female loses a considerable pregnancy weight, with an average of 11 to 13 pounds that is lost post-partum. With the retained fluids soon after the first week post-partum, the weight keeps losing.

Does breastfeeding help weight loss?

Yes, breastfeeding helps in weight loss post-partum. A female who exclusively breastfeeds her newborn is more likely to lose rapid weight with 400 to 600 calories consumed daily.

What is the fastest way to lose weight after having a baby?

Following a healthy diet, controlling portions, keeping yourself active, and caring for your body help in losing weight post-partum.

How can I get a flat stomach after giving birth?

Tummy tightening exercises such as scissor kicks, crunches, planks, wood chopper, and plank hip twists can help reduce stomach after childbirth.

How can I lose weight after a C-section?

After a c-section, it is difficult to reduce weight, especially around the belly. Consuming a healthy diet, controlling portions, doing light exercise, and keeping yourself physically active help in reducing weight after a c-section.

When does a female start gaining weight during pregnancy?

During pregnancy, a female starts gaining weight soon after she enters the second trimester. Since the embryo is very small during the 1st trimester, the weight gain is not too obvious during this time.

What causes the most weight gain during pregnancy?

First and foremost, the fetus’s development inside the womb results in weight gain. Some other factors also contribute to pregnancy weight gain, including placental size, increased body fluid and blood flow, and amniotic fluid.

What is the ideal weight of a female who consumes twins?

The ideal weight of a female who conceives twins or multiples should be between 18 to 23 kilograms.

What are the risks of being underweight during pregnancy?

Being underweight during pregnancy leads to premature birth, neonatal death, death of the child during the first few weeks, and the chances of giving birth to an obese child.

How many calories are required to produce breastmilk post-partum?

Almost 1000 to 1500 calories are required to produce breastmilk after childbirth.

What is the right number of calories a woman should consume during 1st trimester?

During 1st trimester, a female should consume 1800 calories to ensure enough nutrients are supplied to the fetus.

What is Pre-eclampsia?

Pre-eclampsia is a condition in which the pregnant female develops increased blood pressure, more protein in urine, and swelling on the face.

Which nutrients are important to consume for the baby’s healthy development during pregnancy?

Folic acid and folate, calcium, vitamin D, Iron, and protein are essential nutrients to ensure the baby’s healthy development.

Which food should I avoid during pregnancy?

During pregnancy, you should avoid food such as sushi, oysters, sashimi, unpasteurized food, excess caffeine, alcohol, and unwashed vegetables and fruits.

Does massaging help in post-partum weight loss?

Massaging the abdominal area 4 to 5 days a week helps in breaking down the fat around the belly after childbirth. It also helps in reducing the waist size and fat deposit around the belly.

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