Weight at birth is important. But the rate of weight increase at each stage of growth is more concerned.

The baby's weight is influenced by genetic, health and nutrition of mother during pregnancy.

But you have to remember that baby's weight at birth is not the most important thing, the rate of increase weight at each stage of growth is more concerned.

Lose weight after birth

After birth, all babies have a same point, it is losing physiological weight. The main reason is the reduction of water in baby body (which is in its body when it is still in mother’s womb) through urine and stool.

In addition, your baby must have time to be familiar with new way of nutrient absorption, from outside, not through the placenta like before. And if you breast feed, your body also needs time to produce milk.

Many babies lose 10% weight in the first few days after birth and gain weight back after 10 days of age.

Weight at birth is important. But the rate of weight increase at each stage of growth is more concerned.

Weight at birth is important. But the rate of weight increase at each stage of growth is more concerned.

Weight landmark in full term baby’s development

Normally weight of newborn baby is between 3,000 – 3,500g. Baby’s weight is less than 2,500g, if it is born at full term, it means it is malnourished fetus, if not, it is born prematurely.

At the first week, it can lose physiological weight from 5-10%, from the 2nd week it starts to gain weight rapidly.

Average of the first 3 months, it gains weight 1000-1200g/month, from 3-6 months, it is about 600g/month, and from 6-12 months is 300-400g/month. From 1-10 years old, it gains an average of 2-2.5kg/year.

You may remember the following landmarks:

§  10-14 days old: recovery birth weight

§  5-6 months old: double birth weight

§  1 year old: triple birth weight

The best way to see if your baby develops normally or not, or whether you fed it enough, is to regularly monitor its weight, especially in the first months.

How about time to weigh?

Weigh at least 1 time/week in 6-8 first weeks, and then you can decrease to 1-2 time/month until it is 4 months old. From 5 months old to 2 years old, weigh it 1 time/month.

At preschool age, children should be monitored weight monthly to know if they develop well or not. You should weigh your baby on a fixed day in month (like the day it was born) and draw a health line to monitoring easily.

To know if its weight reaches the standard or not, you can calculate standard weight by age as following formula:

X = 9.5 kg + 2 (N-1)

§  9.5 kg is average weight at 1 year old.

§  2 is average increasing weight in 1 year.

§  N is the number of age.

For example: If your child is 3 years old, do as following: X = 9.5 kg + 2 (3-1) = 13.5 kg. So, 3 years old kid's weight is 13.5 kg.

Problems of baby’s weight should be noted

Is it ok if the baby does not gain weight for 3 consecutive months, but is its weight still in normal limits?

Though your baby is not malnourished, it doesn’t gain weight in 3 consecutive months, it means its development is stopped. It is a warning sign of health and not feeding well. Effect level to health is more or less depending feeding and health of children.

Problems of baby’s weight should be noted

Problems of baby’s weight should be noted

Reasons making your child not gain weight may be

Eating not enough food, lack of nutrition, breast milk, fewer meals, and the food for children is short of nutrition, less animal foods, beans, oil leading to not enough energy for children to develop and operate.

Eating well, but playing too much consumes much energy. You need to feed your children more.

Children suffer from some disease but have not detected.

If kids gain weight monthly but their weight is still below normal landmark, is there anything to worry?

Kids gain weight monthly means they have normal development, so there is nothing to be afraid. Therefore, you can maintain current diet but you have to ensure enough meals, quantity and quality of each meal, and better care for them, be close to help them gain weight, quickly reach the normal weight.

Babies are easy to overweight

There are many factors leading to overweight, the most common is that intake energy is over demand, especially energy from fat and powdered sugar. In addition, decreased physical activity is also high risk factors of overweight.

If babies do not participate in physical education, sports, less walking, riding bicycle ... but spend much time on watching television, playing computer games…, it also makes them overweight. It is important to monitor the growth of children at all ages through the index weight, height. It helps parents to detect malnutrition or overweight easily to treat in time.

There are many factors leading to overweight, the most common is that intake energy is over demand, especially energy from fat and powdered sugar.

There are many factors leading to overweight, the most common is that intake energy is over demand, especially energy from fat and powdered sugar.

Babies eat a lot but still are malnourished

Gaining weight steadily is the most important sign to show that a baby is growing and developing well. Every kid should have a growth chart. You need to mark after each weighing and monitor its changes every month.

If your child does not gain weight or not growing well, you need to take it to the doctor to check, find out the cause to repair timely, because nutrients also play a key role in its habitus.

Otherwise, if malnutrition continues happening, it will lead to a series of bad consequence about spirit, intelligence and constitution.

Baby's weight gains and loses abnormally

Sometimes after weighing and measuring with the age, the baby is found to be "above average" much, but parent still wonders why this month it does not gain weight or it is anorexia? In fact, from 12 months old, baby will gain weight slowly, only 200g/month.

In general, if your baby does not gain weight (or slowly), it may because it does not eat enough nutrients, so its body cannot absorb and use nutrients properly. Moreover, there are many reasons making it slowly gained weight such as diet, health history, physical activity or mental disorders.

You need to understand the causes of the slowdown on your baby's weight to have the most appropriate method.

Secret to ensure ideal weight for your baby

Balance nutrients with a various menu for your baby.

From 6 months old, your baby starts eating, so you must let it be acquainted with solid foods, with adult’s food. At kindergarten age, it needs a diverse diet, providing enough nutrients to meet the demand of its body.

A various diet is a diet in which each meal is full of important food group such as daily meals and snacks will ensure the basic nutritional needs of the body in each stage without adding any special diet.

So if your baby eats 3 meals and 3-4 snacks a day, with foods such as fresh fruit, vegetables, grain, starchy foods like bread, rice, noodles; meat, fish, egg, beans; milk, yogurt, cheese and other products, you don’t have to worry anything, even if it misses a meal or even all day, the nutrients in all week or month will meet the needs of its body.

Encourage your child to exercise

You also need to create conditions for your baby to play, exercise outdoor at least 30 minutes a day. He will be hungry at mealtime, sleepy at bedtime automatically. Eating and sleeping well will help it gain weight steadily.

Encourage your child to exercise

Encourage your child to exercise

Care for baby’s sleep

Get your baby into the habit of going to bed early, sleep enough, take an afternoon nap because sleep will help it rest to regain strength after game, playing all day. Sleep will make sure it is healthy and improves weight.

How to detect malnutrition?

The simplest method is to regularly weigh your baby monthly to monitor. If it gains weight steadily, it is an important sign of a healthy baby with normal development.

Not gaining weight is a warning sign of health and not good feeding, you need to take it to the doctor.

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