Knowing Average Baby Weight Gain Is Useful

Babygrows at different rates and the weight gain are generally counted as average. This is one of the most common queries of parents. The weight gain of babies depends upon various factors. The average weight gain of babies follows a predictable path that can be used to calculate the growth of babies.

Doctors generally make a growth chart to record the average baby weight gain of the baby. The weight of the baby directly depends on the week of the birth. If the baby is born earlier than it would weight less than later one.

If you are looking for information regarding average baby weight gain, then check out the content below. In this article, we are going to provide you with complete information on the things you can do to increase your baby weight along with some common FAQ section.

1. Average Weight Gain

Average Baby Weight Gain 1

There are several factors that decide the weight of a newborn baby. The factors include:

  • Weight and diet of mother: If the mother is healthy and gets enough nutrients during and before pregnancy, then the baby would be heavier or else. 
  • Age of the mother: If the mother is a teenager, then the baby would be smaller. 
  • If the baby is a boy, then it would be heavier as boys are heavier than girls. 
  • The birth weight and size of the parents. 
  • The firstborn baby is generally smaller than the subsequent one.
  • The eating and drinking habits of the mother also affect the weight of the baby. 
  • Twins or triplets are generally smaller than the singletons.

Average baby weight gain chart and length gain according to months after birth are as follow:

Birth To 1st Month: 

During the first month of baby growth after birth, the baby gains 2/3 to 1 ounce per day normally and attains a length of 1 to 11/2 inches in a month.

Note: Generally, babies lose some weight in the first few days after birth and regains the weight within 10 days.

One month to 4 months:

During the next few months, the baby gains 11/2 to 2 pounds each month and grows at a rate of 1 to 11/2 inches per month. During this period, the baby looks chubby; however, there is a rise in activity level. 

6 months:

The baby doubles its birth weight by this time. 

12 months:

By this time, most of the babies have tripled their birth weight and has attained a length of 9 to 11 inches from their birth length.

24 months:

Average Baby Weight Gain 2

By this time, most babies have quadrupled their birth weight and have attained a length of 14 to 16 inches from their birth length.

2. Average Length And Head Circumference Gain 

The average length and head circumference gain of the baby are listed below in the chart.

Baby’s Age Average length increase 

0 – 6 months 1 inch per month 

6 – 12 months ½ inch per month

Baby’s Age Average head circumference increase

0 – 6 months ½ inch per month 

6 – 12 months ¼ inch per month             

3. A Few Things To Keep In Mind When Evaluating Weight Gain

Average Baby Weight Gain 3

Most of the physicians measure BMI or body mass index for age percentile. The following grading chart describes the average baby weight gain. BMI for age scale are as follow:

  • < 50 % is considered as underweight
  • 50 – 84.99 % is considered as normal
  • 85 – 94.99 % is considered as overweight
  • 95 5 and above is considered as obesity

The medical cause of weight issues of a baby can be any of the following reasons:

  • What was the age of the parents while the mother gets pregnant?
  • What was the weight of the baby during birth?
  • Does the mother have a smoking habit?
  • Was there pregnancy-induced hypertension or any such complications?

If your baby is underweight then you must follow the steps below to regain its weight:

Schedule:

Your baby generally needs to be fed 8- 12 times a day. You must recognize the feeding cues and breastfeed your baby on time. Crying is a sign that you don’t recognize your baby feeding time. Many mothers found that breastfeeding leads to more production of milk, along with a steady increase in the weight of the baby.

Positioning:

Try to hold the baby uncovered while breastfeeding. If your baby is covered, then the heat and comfort generated by your body will allow the baby to doze off quickly. IF your baby falls asleep, then you must massage your baby, which will trigger more inflow of milk and thus sucking by the baby. Avoid switch breastfeeding as it will hinder your baby from getting the calorie-rich hindmilk.

You can also use any other feeding method as prescribed by the healthcare provider. Alternate feeding method is cup feeding, syringe feeding, spoon-feeding, bottle feeding, dropper feeding, etc.

4. Additional Information

If your baby is getting low milk supply, then you must use supplement feeding like a bottle, pacifier, nipple shield, and scheduled feeding to meet the demand of your growing baby. There are various online tools that will assist you in nursing your child. You can also make use of the infant growth calculators to measure average baby weight gain.  

Learn More About Healthy Growth For Baby

FAQs On Average Baby Weight Gain

How fast does baby gain weight?

Average baby weight gain follows a regular path. Generally, the baby loses weight a few days after birth and regain its birth weight after a week or 10 days.
There is the rapid growth of the baby after the first week of birth to 6 months. The average weight of a baby is generally calculated monthly from 0 to 6 months. From 6 months to 12 months, it is calculated once in two months.
From 12 to 24 months, it is calculated once in three months. 
The average baby weight gain as per age is: From 0 – 4 months, the baby gains 5.5 to 8.5 ounces per week, from 4 – 6 months the baby gains 3.25 – 4.5 ounces per week, from 6 – 12 months the baby gains 1.75 to 2.75 ounces per week.

How much does a baby grow in the last 3 weeks?

In the last few weeks of pregnancy, there is a rapid growth of the baby. The baby gains weight at a rate of ½ lb per week. However, there is a misconception regarding bigger babies that whether the women can give birth to them. In most cases, bigger babies are given birth with a little extra care. In such cases, you might need a cesarean.

Which food is good for baby weight gain?

For newborn babies, breast milk is the best food to gain weight. It is advised by doctors to provide breast milk to your baby for up to 6 months of age. For rapid gain of weight, the baby must be fed 8 times a day.
So, the mother should get enough nutrients to enhance the production of milk. The list of items that enhances the milk production of the lactating mother is cumin, fennel seeds, dill leaves, methi seeds, methi leaves, whole grains, chickpeas, milkshakes, almonds, garlic, lentils, shakes, and flax seeds.
If the mother has issues in breastfeeding, then formula milk is also a good option. It is proven that formula milk is good for average baby weight gain. However, there are some pros and cons related to it.

What determines when a baby is ready to be born?

The following sign determines that the baby is ready to be born:
The movement of the baby slows down as there is not much space left. As the baby grows bigger in size, space becomes less, which results in the slow movement. However, you can feel the adjustments but not the acrobatic kicks.
As the days come to closure, women feel muscle contraction and cramp. They also feel back pain due to the increased weight of the baby. You may also feel loosened joints.  
As the blood vessels of the cervix dilate, women can see bloody discharge.

Do babies born at 37 weeks need NICU?

Yes, the baby born at 37 weeks needs a neonatal intensive care unit. In most cases, the baby born at 37 weeks is premature and is recommended by a physician for NICU. However, in some cases, 37 weeks of the baby are bigger than 41 weeks of the baby.

Parting Thoughts

The average baby weight gain is similar for all the babies with a slight difference. The reason for such difference is purely genetics. As mentioned earlier in the content, the baby grows rapidly in the first 6 months after its birth. So, for this period, it is necessary to feed the baby well.

This can be done by following the measures for feeding. You can also make use of the charts provide above to compare the length and weight increase of your baby to the standard settings. The FAQ provides all the common questions asked by parents. If a further question arises in your mind, then you must visit your doctor.

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