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Average Weight of 7 Month Old

A stable weight gain is a good indicator of the correct development of the child. Mandatory weighing for up to a year helps to monitor the dynamics of weight gain.

Parents are very sensitive about weight, constantly assessing whether their baby is thin, or maybe he is malnourished. Sometimes they forget that overeating is much worse. Weight is a sensitive and very dependent parameter. It is influenced by a huge number of factors. Its stability suffers because of this.

There are standard average weight norms for age, as well as the upper and lower limits of the norm. Weight will be considered normal within this interval. Everything that is outside the scope is a deviation. Blindly following weight standards is not worth it. Self-adjustment of body weight can harm the baby, especially if it is unreasonable.

The average weight of 7 month old

Boys and girls have different average weights. This indicator for boys is 18.5 lb and for girls – is 16.9 lb. These data confirm the fact that boys are larger.

7 Month Old Baby Weight

The average value of the child by 7 months will be above the accepted standard if his initial weight is large. Do not look for patterns between gender and weight gain of the child. All children add about the same amount of pounds per month. This is provided that everything is in order with their health and nutrition.

Average norms are not referenced. There is no need to strive for them and adjust the weight of the baby to indicated data.

Every Baby has Different Weight

All babies weigh differently. The ultrasound doctor can determine the approximate weight of the child already in the womb. If the baby is very underweight, then this will immediately show the result of the examination. The baby will be very small at birth in this case. All rules are relative. It is necessary to take into account the individual parameters of the baby.

Factors affecting weight

A large number of factors affect the weight of a child. These include genetics, ethnicity with its characteristics, diet, malnutrition, stress, and more. All this can significantly shift the limits of weight norms. Focus on the condition of your baby and not on the numbers.

There is no reason to panic ahead of time. Everything is in order if the weight of the child is not below the lowest allowable weight. Children initially born with low weight can catch up with their peers by six months or a year.

How Much Boys Weight at 7 month Old

A boy can weigh between 15.4 lb and 22.4 lb at seven months of age. These data are the limit points of the norm. Anything outside this range will be considered an outlier. An adequate assessment of weight should always be present, taking into account the value at birth and the rate of weight gain per month.


The average weight for a 7 month old boy is 18.5 lbs based to the CDC. This indicator is set for children born within the standard body weight of 6.6 – 7.7 lb. Weight loss in the first days after birth is also taken into account. Sometimes it is quite significant. The average weight does not have to exactly match the statistics. There are upper and lower limits of normal that allow you to estimate the weight of your child.

5th Percentile Weight

The 5th percentile weight is the lower limit of the allowable weight. A lack of body weight beyond its limits will be diagnosed. The minimum allowable weight for a 7 month old boy is 15.4 lb. Anything below this weight is a lack of nutrition. The problem of low weight may be hidden in the lack of milk in the mother, an unbalanced feeding schedule, lack of complementary foods, or other reasons.

95th Percentile Weight

The norm for the maximum allowable weight in boys of 7 months is 22.4 lb. A toddler in an overweight group if he has already reached this limit. Further obesity may begin. You need to be careful in organizing the nutrition of the child in such a situation. Do not overdo it with complementary foods and try to share it with breast milk or formula.

Going beyond the upper limit of the norm is not a positive trend. Timely measures will help stop the process of excessive weight gain.

How Much Girls Weight at 7 month Old

The weight range that is normal for a seven month old girl is between 13.8 lb and 20.2 lb. Anything within this range is a good weight for 7 months of age. What goes beyond is problematic weight. Your child’s weight may not be what the standard values indicate. It is recommended to focus on the range of acceptable parameters.


The CDC states that a 7 month old girl weighs an average of 16.9 lb. This is the value that is typical for most children. But your baby can weigh more or less than the specified norm. It is more important to ensure that the weight does not go beyond the maximum allowable values.

The average weight standard is set for children who were born with a good weight of at least 6 lb. Premature babies will have their indicators of norms. If a girl was born on time but with a small weight, her average figures by 7 months can also differ markedly.

5th Percentile Weight

The minimum allowable weight for a girl at 7 months is 13.8 lb. Below this will be considered underweight. You can say that a girl is malnourished based on her data at birth, genetics, and the rate of weight gain for each month. Girls gain 1.1 lbs of extra weight by 7 months according to statistics. This norm will be observed in the absence of diseases, nutritional problems, and regime failures.

95th Percentile Weight

The maximum allowable weight for a 7 month old girl is 20.2 lb. This is the 95th percentile weight beyond which obesity can develop. Reaching the mark on the upper limit of the weight signals that the child is overfed. Systematic excess of nutritional norms adversely affects the dynamics of weight gain. An obese child can get many health problems. The pancreas is particularly affected.

What is Considered Obesity for 7 month old?


Obesity is considered when the weight of a seven-month-old girl is 20.9 lb or more. Any excess of the 95th percentile weight is considered a serious deviation. The maximum allowable weight is already an excess. Follow the rules and do not allow them to be strongly violated. It is much easier to adjust nutrition for up to 1 year in time than to deal with further complications from obesity.


A boy is obese if he weighs 23.1 lb or more at 7 months. This is well over the 95th percentile weight. Such indicators are not included in the permissible maximums by weight. When the boy’s weight reaches the upper limit of normal, he is already overweight, which needs to be corrected. Obesity entails a large number of health problems. Weight should be returned to the normal range as soon as possible.

It is easier to control a child’s nutrition while he is still small. Sometimes it is not even necessary to take serious and extreme measures. Diet is not always prescribed. There are many other ways to fight excess weight that are more loyal and gentle.

Signs That Baby is Not Eating Enough

A severe lack of weight may indicate a nutritional deficiency. You need to immediately pay attention to the following signs to understand that your baby is malnourished:

  • Weight loss The child lost several ounces of weight in a month and did not gain.
  • Whims during breastfeeding The baby sucks at the breast and then leans back from it and screams, freaks out, and is nervous. This indicates a lack or absence of milk.
  • Few urinations The child rarely pees. The diaper can stay dry for half a day or all night.
  • Lethargy The kid is weak, not active, drowsy, and whiny.

Recommendations for Parents and Their Babies

Do not forget about the individual characteristics of your child using any recommendations. Talk to your doctor if you change your child’s diet. Any advice from outside should be subjected to critical analysis. Do not use information from unverified sources. Your child’s health may be very precarious. Any mistake can lead to irreversible consequences.

Nutrition and Diet

Try to give your child the food that he tolerates well with the introduction of complementary foods. Use gluten-free and lactose-free cereals. So you can avoid unnecessary allergic reactions. At 7 months, the baby can already form its taste preferences. If he eats some puree with great pleasure, then let’s give it to him. Do not force the child to eat what he does not want.

The diet can only be prescribed by a doctor. There must be special indications for this. Self-limitation of food can harm the baby.


7 month old babies are very active. They are already sitting and attentively examining everything around. Babies 7 months old are strong and more adaptive. Massage courses, gymnastics, and a swimming pool can keep them active.

The best and most useful exercise for a 7 month old baby is crawling. It strengthens the muscles of the back and limbs, is energetically expensive, and can balance weight well.


Do not allow a lack of communication with the baby. Children at 7 months become very sociable. They are strongly attached to you and your emotions. Mother for a child is his whole world. Lack of communication can have a bad effect on the psycho-emotional sphere of the child. This knocks down appetite, and sleep patterns and makes the baby restless and anxious.

Sound night sleep

Rest at night is the most important in a child’s daily routine. Many babies can sleep through the night at 7 months. The kid must be full and calm for this. In the body, interruptions in the work of all systems occur if the night’s sleep is intermittent, restless, and unstable. Little serotonin is produced, and the child is often naughty, and refuses to eat. Keep your baby’s sleep stable and sound. This will help eliminate a lot of problems.

Why Your Baby’s Weight is Not Close to Average

Children cannot grow up according to someone else’s standards. No need to try to adjust the baby’s weight to the norms indicated by statistics. Excess or lack of weight will be visible visually. The number of pounds in this case may not correspond to the boundaries of generally accepted norms. There can be several reasons if your child’s weight is not close to average:


Children inherit the traits of their parents. The weight of the child will be below the average if everyone in the family is small. There is nothing wrong. The main thing is the well-being and health of the baby.

Poorly organized food

Women often start breastfeeding or formula-feeding less when complementary foods are introduced. It’s still too early for that. A baby at 7 months is still in great need of mother’s milk or special nutrition.

Low mobility

Children 7 months old should crawl, swim, play, and do gymnastics a lot. If the baby is constantly in a stroller, car seat, or sling, this leads to imbalance and the accumulation of excess weight.

Frequent illnesses

Children are often susceptible to viral and infectious diseases with weak immunity. This greatly disrupts their regimen and reduces their appetite. The average value of the weight is constantly changing. This is fully justified since it is difficult for a child to eat normally and keep a sleep schedule.

Abrupt change of conditions

Moving to a new home, travel, loss of a loved one, or divorce of parents can very often adversely affect the development of a child. This also applies to weight, the average value of which strongly deviates from the norm.

Depression in the mother

Postpartum depression can be extremely bad for a baby’s weight and health. The close relationship between a mother and her baby lasts for many years.

When Should You Worry?

The first cause for concern should be the deterioration in the well-being of the baby. There is a problem if he was always cheerful and active, and then becomes lethargic and constantly sleeps. This condition may indicate that the child lacks nutrients in the absence of signs of illness.

Sound the alarm if visually your baby has changed a lot. There should not be excessive thinness or excess weight. The poor condition of hair, nails, and skin is the main sign of nutritional deficiencies. Paleness or blueness may indicate the presence of anemia. You can start introducing meat into your baby’s diet at 7-8 months.

When a baby eats too much at night, it can cause obesity. It is necessary to gradually reduce night feedings by replacing them with water. This is especially true if the child is overweight.

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