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Average Weight of 11 Month Old

Average weight standards for an 11 month old baby are set for parents and pediatricians. They must monitor the development of the baby and take the necessary measures to eliminate possible problems. Weight is always an indicator of whether the baby is eating well, whether he is getting enough vitamins or not, and whether he is following the regimen correctly.

The CDC provides a wealth of data to help you accurately assess your child’s weight-to-weight ratio. There are indicators of extremely upper and lower limits of weight. Pediatricians try to seriously control weight for up to 1 year. Weight monitoring in older age is not so close.

The average weight of 11 month old

Eleven month old boys weigh an average of 22 lb. For girls, this figure is 1.7 lb lower and at 10 months it is 20.2 lb.

11 Month Old Baby Weight

The mean weights of boys and girls differed by 1.7 lb over several months. These figures may be slightly different. Separately considered a girl and a boy may significantly differ in standard norms of average weight. The girl may well be born larger and ahead of the boy in weight.

Every Baby has Different Weight

You can follow the CDC guidelines, but don’t aim for the established standards. Always remember that your child is individual and has every right to weigh as much as he weighs. All children are different and have their parameters of growth, development, and body weight.

If there are no problems with obesity or malnutrition, then everything in between is the norm. Any indication of weight may be considered acceptable if the infant is in good health.

Factors affecting weight

The situation when the weight of your child does not match the standards should be taken calmly. There is no reason for concern if the norm indicators are not much lower than acceptable.

Many factors can affect a child’s weight. These include those that are almost not amenable to correction – these are genetics, ethnicity, and features of complexion. Among the factors are many easily eliminated – lack of nutrition, health, and diet. It is possible to resort to measures to regulate the weight of a child only after consulting a doctor. Independent actions can harm the baby.

How Much Boys Weight at 11 month Old

An 11 month old boy can weigh between 18.5 and 26.4 lb. Any weight within the specified parameters will be considered normal. This is excess weight if body weight exceeds the maximum allowable values. We can talk about the lack of weight at the most minimal norms. Adjustment measures are used according to the specific situation.


An eleven month old boy will weigh an average of 22 lb. This is such a golden means that doctors and parents are guided by. This figure increased by 0.7 lb compared to the previous month.

A baby who was originally born at a standard weight of 6.5 to 7.7 lb will weigh close to normal. The average weight of a boy by 11 months will be equal to the established standard with daily weight gain according to age norms.

5th Percentile Weight

The minimum normal weight for an 11 month old boy is 18.5 lb. The 5th percentile weight indicates the lower limit of valid values. Outside of it, there may be a lack of weight and even exhaustion of the body.

It is recommended to enrich the diet, add formula or regulate the daily routine if the boy’s weight is kept below the 5th percentile for a long time. Strong underweight body weight can adversely affect the development of the baby.

95th Percentile Weight

Being overweight for an 11-month-old baby can lead to obesity. The maximum allowable weight at this age is 26.4 lb. This is the 95th percentile weight. Anything above this norm will lead to excess weight gain and subsequent health problems. It is more difficult to remove excess weight if it is a consequence of a genetic predisposition or disease. Everything else is correctable.

How Much Girls Weight at 11 month Old

Girls at 11 months can weigh from 17 lb to 24.2 lb. Any value within this range is considered normal. Deviations are observed: obesity or underweight if the baby’s weight goes beyond the established limits. The solution to weight problems should be justified and discussed with the pediatrician.


The normal average weight for an 11 month old girl is 20.2 lb. This is 0.7 lb more than last month. Such dynamics indicate a stable weight gain every day. Girls 11 months old should be gaining at least 0.35 ounces per day. Compliance with standard parameters will be observed.

The baby will weigh much less than the accepted norm if she was born ahead of schedule. The average indicators of her weight by 11 months will be significantly lower in this case.

5th Percentile Weight

The lower limit of normal for an eleven-month-old girl stops at 17 lb. This is the 5th percentile weight, below which there is data consistent with severe underweight. There is a risk of the onset of malnutrition if the child’s weight is at the lower weight limit for a long time. A particularly alarming signal is the gradual but steady weight loss every month.

95th Percentile Weight

24.2 lb is the upper limit of normal weight for an 11-month-old girl. The 95th percentile mark already indicates that the baby is gaining excess weight. And anything outside of this indicator will be the risk of obesity. Watch for weight gain trends. Nutrition correction is required if a girl of this age adds much more than 0.7 lb per month.

What is Considered Obesity for 11 month old?


The 95th percentile weight is the maximum weight limit for a girl. You can talk about obesity for all indicators that are higher than this. The baby is at the stage of obesity if she weighs 25 lb and above. This situation calls for immediate action. It is necessary to consult a pediatric nutritionist and in-depth analysis of the child’s nutrition.


A weight of 25 lb and above is considered extremely overweight for 11 month old boys. This is about obesity. The kid will be very thick and visually inactive. Overweight children know no boundaries in nutrition. They eat a lot and often and constantly ask for snacks. It is necessary to find out the reasons for such eating behavior.

Excess weight is the limit of the maximum allowable values. Everything beyond this line is guaranteed obesity.

It is better to immediately regulate the baby’s nutrition if there is a hereditary predisposition to obesity. Remove high-calorie foods and do not let your child eat at night. A good daily routine, with well-established physical activity and a proper drinking regimen, will help in restoring weight norms.

Signs That Baby is Not Eating Enough

Malnutrition entails a large number of health problems in the child. Look out for signs of malnutrition in your baby. Among them are the most obvious:

  • UnderweightThe kid is malnourished if he has not gained even 0.2 lb in a month.
  • Consistently poor sleep at nightThe baby constantly screams at night, cries, and requires breast or formula. Calms down after eating. This means that he did not eat enough during the day.
  • DizzinessThe child is malnourished if he is weak, falls when crawling, and cannot stand on his feet. This is already a critical symptom with which the help of a doctor is needed. Possibly low hemoglobin.

Recommendations for Parents and Their Babies

It is better not to make independent decisions if there are problems with being underweight or overweight. The help of a competent specialist will be much more effective than any desperate attempts to return the weight to normal.

Tips and tricks for parents can be harmless or can be very harmful to the health of the baby. Use only trusted sources of information and authoritative opinions.

Nutrition and Diet

Minimize your child’s intake of junk food. Instill healthy habits in your child. Give fruits and berries instead of sweets. For snacks, only healthy snacks and not sweet cookies or nuts. Such food does not add excess weight and is very nutritious. A diet for an overweight child should be strictly agreed upon with the doctor. It must remain filled with vitamins and all the necessary trace elements.


A child at 11 months old can begin to walk and his energy expenditure increases significantly. If the baby does not walk yet, then it is better not to force him to do this and not to insist. Let him get up on his own at the support and move along it. Choose a spacious room in the house, place the toys on different sides of the room and let the baby crawl towards them. The process of crawling is extremely beneficial for the back.

Stick to your child’s routine

Stick to your child’s routine as much as possible. If there is a nanny, then let her follow the usual schedule. Children tend to change their routines very often. It will be easier for you to keep it if you live in the same rhythm. Weight is an unstable unit. It depends on everything around. Maintain a stable pace and daily routine to normalize the child’s weight.

Watch your health

Seek professional help if you have signs of burnout, depression, or increased anxiety. A mother who does not have a resource will never be able to properly monitor the child. You will not be up to the weight of the child and control of nutrition in such a situation. Help yourself first so you can help your child.

Why Your Baby’s Weight is Not Close to Average

The average weight of a child is relative. Your baby’s weight doesn’t need to be the same as indicated in the statistics. Many reasons shift weight up or down.

Improper nutrition

High doses of the mixture with an abundance of fatty and high-calorie foods are not appropriate for this age. Presence of night feedings more than 2 times. Lots of snacking on unhealthy and sweet foods.

Hereditary factor

Your baby will be born large if everyone in the family was the same. Also, a thin build is inherited from parents to children.

Health problems

The presence of autoimmune diseases, various forms of diabetes, or congenital pathologies can be a serious cause of excess weight. The average figures will be much higher than the accepted ones in this case.


Sleeping with a child means not sleeping for both. Sleep disturbance is fraught with problems with the regime of the day that directly affect weight gain.

Low mobility

If the baby spends most of the waking period in a static state, this inhibits development and leads to excess weight. Being in a car seat, playpen, stroller, and on your hands must be justified.

Not adjusted drinking regimen

Water is an excellent weight regulator. Its sufficient amount helps to normalize metabolism and water-salt balance. Digestion and weight problems can occur with a lack of water.

When Should You Worry?

Early health problems can be a serious cause for concern. If a child is diagnosed with anemia, dystrophy, and malnutrition, this is a loud signal that the child has been malnourished for a long time. It’s time to take reactive measures and solve the problems that have arisen.

It’s not normal for a baby to feel sick after eating. See a doctor if he has frequent diarrhea or constipation, screams, or is naughty. At the root of the problem may lie serious causes such as infectious diseases, enzymatic deficiency, bending of the bile, and so on.

The main reason for worrying is if visually the baby changes a lot. There should not be strong thinness or fullness. It is especially dangerous when body weight gain increases sharply or decreases catastrophically. This may indicate the presence of very serious and irreversible problems.

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