Before your child was even born, you probably wondered about their hair color, eye color, and height. While you can’t predict everything, there are some clues to help you tell how tall your child may be.
A number of factors go into determining how tall your child will be. Some of these are:
Boys tend to be taller than girls.
A person’s height tends to run in families. Most people in a certain family will grow at similar rates and be of similar height. However, this isn’t to say short parents may not have an extremely tall child.
If a child has certain medical conditions, it can affect their growth. One example is Marfan syndrome, a genetic disorder that causes those who have it to be unusually tall. Conditions that may cause a child to be shorter include arthritis, celiac disease, and cancers. Also, children who took certain medicines, like corticosteroids used over a long period of time, may not grow as tall.
Overweight children will often be taller, while underweight or malnourished children may be shorter. However, this doesn’t always predict a child’s ultimate height.
There are several formulas that can estimate how tall a child might be. While none have been proven to definitely predict your child’s height, they can help give you a rough estimate.
Height at Young Age Method
For boys, double your son’s height at age 2. For girls, double your child’s height at 18 months.
Example: A girl is 31 inches at age 18 months. 31 doubled = 62 inches, or 5 feet, 2 inches tall.
Mother and Father’s Height Average
Calculate the mother and father’s height in inches and add them together. Add 5 inches for a boy or subtract 5 inches for a girl, to this total. Divide the remaining number by two.
Example: A boy’s mother is 5 feet, 6 inches tall (66 inches), while the father is 6 feet tall (72 inches):
66 + 72 = 138 inches
138 + 5 inches for a boy = 143
143 divided by 2 = 71. 5 inches
The boy will be an estimated 5 feet, 10 inches tall. The results are usually within 4 inches, plus or minus.
Bone Age X-Ray
A doctor can take an X-ray of your child’s hand and wrist. This X-ray can show the growth plates of a child’s bones. As a child ages, the growth plates become thinner. When a child is finished growing, the growth plates will disappear. A doctor can use a bone age study to determine how much longer, and taller, a child may grow.
Girls and boys will typically experience a significant growth spurt in puberty.
This occurs at different ages for each gender. According to Nemours, girls usually begin puberty between ages 8 and 13. During this time, they will start growing breasts and begin getting their periods. Boys will typically begin puberty between ages 9 and 14.
Because girls tend to hit their growth spurts first, they tend to stop growing at a younger age, usually around age 16. Boys will often continue to grow until age 18.
However, children grow at different rates. How long a child may grow can depend upon when they go through puberty. If a child goes through puberty later than most children their age, they may grow until a later age as well.
If you’re worried your child may not be growing at an expected rate, talk to their doctor.
They can show you a growth chart of average growth, given your child’s age and gender. Your child’s doctor can use a chart to plot their growth. If your child has suddenly seemed to slow in growth or is much below the average growth curve, your child’s doctor may refer you to an endocrinologist. This doctor specializes in hormones, including growth hormones that play a role in how tall your child is. If your child’s doctor is concerned that your child may have a genetic condition, they may refer you to a genetic specialist.
Examples of factors that affect your child’s growth include:
absorption issues with food
overeating and nutritional status
growth hormone disorders
heart or lung disorders
An endocrinologist can test your child’s blood and perform other tests to determine what factors may affect their growth.
If you’re concerned about your child’s growth, it’s important to seek medical care before they complete puberty, as they will usually stop growing after that time. Treatments may be available for children who are not growing as expected. If you have concerns, your child’s pediatrician is an excellent place to start.
Height Measurement in Children
Steroid Hormone Pathway
Dysmorphic features in Congenital Dysorders
Telemedicine Diabetes Mellitus Evaluation
Oral Manifestations of Diabetes
Height Measurement in Children
Linear Growth Velocity
Upper to Lower Segment Ratio
Preterm Infant Growth
Ideal Weight in Adults
Weight for Height Age
Body Composition Changes with Aging
Lean Body Mass
Weight for Length
Weight Measurement in Children
High Energy Molecule
Body Mass Index
Energy Deficit Calculation
Daily Energy Allowance
Male Tanner Stage
Female Tanner Stage
Thryoid Storm Diagnosis
See Growth Physiology
Birth length reflects maternal Genetics and intrauterine nutrition
Age 6-18 month length reflects paternal Genetics
By age 2 years, height reaches height percentile line toward mid-parental height
III. Technique: Accurate length measurement
Precaution: Do not plot standing height on a supine chart (birth to 3 years)
Standing height is always shorter than supine height
Measure horizontally (lying) if child under age 2 years
Measure vertically (standing) if child older than 2 years old
Age <2 years
Shifts across height growth chart lines are normal
Reflects shift from maternal to paternal Genetics
Age 2-13 years
Shifts across 2 growth chart lines are abnormal
Growth should at least parallel the 3rd percentile line
V. Exam: Normal Height increases per year (Linear Growth Velocity)
Average: birth length: 20 inches (50 cm)
Length doubles by age 4 years
Length triples by age 13 years
First year growth: 9-11 inches (23-27 cm)
Second year growth: 4-6 inches (10-14 cm)
Third year growth: 3-4 inches (7.5 - 10 cm)
Annual growth until Puberty: 2-3 inches (6-7 cm)
Prepuberty growth: 2 inches (5 cm)
Boys: 4-6 inches (10-14 cm)
Girls: 3-5 inches (8-12 cm)
VI. Normal Heights for boys (range: 3% to 97%)
Age 1 year: 28-32 inches, mean: 76 cm (30 in)
Age 2 years: 33-37 inches, mean: 88 cm (35 in)
Age 3 years: 36-41 inches, mean: 95 cm (38 in)
Age 4 years: 38-44 inches, mean: 103 cm (41 in)
Age 5 years: 40-47 inches, mean: 110 cm (44 in)
Age 6 years: 43-50 inches, mean: 116 cm (46 in)
Age 7 years: 45-53 inches, mean: 121 cm (48 in)
Age 8 years: 47-55 inches, mean: 127 cm (51 in)
Age 9 years: 49-57 inches, mean: 132 cm (53 in)
Age 10 years: 51-59 inches, mean: 137 cm (55 in)
Age 11 years: 53-61 inches, mean: 143 cm (57 in)
Age 12 years: 54-64 inches, mean: 150 cm (60 in)
Age 13 years: 56-67 inches, mean: 156 cm (62 in)
Age 14 years: 57-70 inches, mean: 163 cm (65 in)
Age 15 years: 60-72 inches, mean: 169 cm (68 in)
Age 16 years: 62-73 inches, mean: 173 cm (69 in)
Age 17 years: 63-74 inches, mean: 68 inches
Age 18 years: 177 cm (71 in)
VII. Normal Height for Girls (range: 3% to 97%)
Birth: 18.5-21.1 inches, mean: 50 cm (20 in)
Age 1 years: 27-31 inches, mean: 73 cm (29 in)
Age 2 years: 32-37 inches, mean: 85 cm (34 in)
Age 3 years: 35-40 inches, mean: 95 cm (38 in)
Age 4 years: 38-44 inches, mean: 103 cm (41 in)
Age 5 years: 40-47 inches, mean: 108 cm (43 in)
Age 6 years: 43-49 inches, mean: 115 cm (46 in)
Age 7 years: 45-52 inches, mean: 120 cm (48 in)
Age 8 years: 47-54 inches, mean: 125 cm (50 in)
Age 9 years: 49-56 inches, mean: 130 cm (52 in)
Age 10 years: 50-59 inches, mean: 138 cm (55 in)
Age 11 years: 52-62 inches, mean: 143 cm (57 in)
Age 12 years: 54-65 inches, mean: 150 cm (60 in)
Age 13 years: 57-66 inches, mean: 155 cm (62 in)
Age 14 years: 58-67 inches, mean: 158 cm (63 in)
Age 15 years: 59-68 inches, mean: 158 cm (63 in)
Age 16 years: 59-68 inches, mean: 159 cm (64 in)
Age 17 years: 60-68 inches, mean: 160 cm (64 in)
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Table of height and weight of children is normal child development height weight body weight
The human dimension is a science that studies the structural characteristics of people and groups. It is very important to evaluate the proportional relationship in order to assess the physical development of the child in the measurement of the human body. WHO (World Health Organization) believes that the height and weight of each age is very important because various physical diseases and disorders cause normal indicators. In many cases, height indicator, weight (weight), head circumference, and chest circumference are often measured. This time the circular line will focus on the normal height and weight of a child from birth to 16 years of age. Use the height meter, called the human body measurement tool, to estimate the height of the child. If you have poor weight gain, lose weight, increase the way you gain, do not gain weight after giving birth, or have a severe deficiency, be sure to check with your pediatrician or pediatrician. Excessive weight is one of the conditions. There is no need to give both natural nutrition and artificial nutrition.
How to measure and measure the child's height correctly? Anthropometer and stadiometer
To measure the child's height, the doctor instructs the right shoulder to the inspector and will be careful and accurate. The human measuring body tool is positioned vertically in front of the child. The scale is held with the right hand and the ruler can be moved with the left hand. The value at the top of the human body measuring ruler should be the index value. The hair size may have an error within 1mm. Keep in mind that the morning rise is slightly larger than the evening rise.
The measurement method is very simple when measuring the growth rate of a child with a height meter. Have your child stand on the platform of the height meter, press back on the section and measurement scale. Children touch the back of the head, shoulder blades, smooth (buttocks) and the back of the head on the shelf. The measurement tablet is dropped on the child's head.
If you are measuring a small child, you can lie down and measure yourself. In addition, you can measure your height while sitting with a human body measuring tool or a height meter.
How to weigh a child correctly, how is the weight, body weight of a child determined?
Child weight indicator is measured using a special scale. The scale has cup type and electric type. For children in the first year of birth, use a special scale. Measurements are possible, whether lying or sitting. In the case of older children, it can be measured while standing. When is a good time to measure your child's weight? It is ideal to measure your weight after emptying your bowel / bladder in the morning in the morning.
What is the normal height and weight of the child? How to make a calculation?
Children's height and weight are usually calculated and estimated in several ways, such as centimeters, formulas, and parametric methods. In the indicator law, it can be determined whether the ratio of indicators of the child's physical growth. The easiest way is to use mathematical formulas. From now on, I will explain in detail. It is essential for all mothers to purchase an electronic weight meter so that they can measure their baby's weight frequently.
Weight formula method, formula, scale, weight chart
If you are a baby between 1 and 6 months after birth, you can calculate the baby's weight in the formula.
Here MTR is the birth weight and weight M at maturity or preterm is the number of children (from 1 to 6).
Standard weight from 1 to 6 months according to the table, birth weight (BW)
Normally, the weight of a child has an error of plus or minus 2 cm from the indicated value. That is, ±2 cm in the figures obtained.
For children aged 2 to 8 years, height is measured in centimeters using the following formula:
7×L＋74 where L is the child's life expectancy.
Normally, the weight of a child has an error of plus or minus 3 cm from the indicated value. That is, ±3 cm in the figures obtained.
For children aged 9 to 16, height is determined in centimeters using the following formula:
5 x L + 90, where L is the life expectancy of the child.
Normally, the weight of a child may deviate from the indicated value by plus or minus 4 cm. That is, ±4 cm in the figures obtained.
It is easy to calculate the normal weight and height for a child of any age using the formulas given by Surklinika, but if it is difficult for you to do the calculations yourself, we can help. Below are examples of calculations for children of different ages, taking into account height and weight (mass) in the rules (table).
Baby 1 month, height and weight, height and weight of a boy or girl at 1 month old, 1 month old baby (4 weeks)
You can calculate without using a calculator. For example, for a boy with a birth weight of 3500g and a height of 53cm, it is desirable that at 1 month the following indicators should be normal:
Height 56cm, weight 4300g.
For a girl with a birth weight of 3000g and a height of 49cm at 1 month, the following indicators should be normal:
Height 52cm, weight 3800g.
A child of 2 months, height and weight, normal height and weight of a boy, a girl at 2 months
A girl with a birth weight of 2900g and a height of 48cm at 2 months should normally have the following indicators:
Height 54cm, weight 3800g.
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Adolescence, or "puberty", comes from the Latin word "puber", which means "adult". This is a term that refers to the period when a girl's body is physiologically mature. During this period, many changes occur in the body, including sexual development, changes in body shape, and accelerated growth. This is also the time of maturation of the girl's emotions.
Girls' path to puberty
Not only does the girl's body change in appearance, since her first menstruation begins right at puberty, she begins to work on new things. This will be a separate process. During this period, the body grows at its own pace. Some children reach maturity at the age of 14-16, others later. It's okay if puberty starts later than your friends! ?
The process of puberty begins when a part of the brain called the hypothalamus begins to secrete a hormone called GNRG (gonadotropin-releasing hormone). When the hypothalamus begins to differentiate this hormone for its specific function, SO, it sends FSH (follicle-inducing hormone) and LH (luteinizing hormone) to another structure at the base of the brain called the “pulsing pattern.” a substance called Substances called gonadotropins stimulate the ovaries to release the main female hormones estrogen and progesterone.
There are several stages of puberty in girls, and these changes usually begin between the ages of 9 and 14. The stages of puberty are changes that occur in the body. The journey to adolescence usually takes 2-5 years, but each child is different and may have a different experience (see data in the table below).
Signs of puberty/age
Uterus, vagina and lips begin to change and grow
Appearance of pubic hair
breasts begin to grow
first vaginal discharge
Start of menstruation
fully developed chest
end of puberty
Adolescence in girls has a number of stages. At the first stage, the girl's breasts begin to form. It starts with a small change called the breast rudiment. In adolescent girls, breast development may begin between the ages of 9 and 11, or only one breast may develop. It usually starts growing on the other side within a few months, and this is completely normal. Gynecology believes that this process can be divided into two stages.
female pavert phase
One stage of puberty - prepubertal period (comes at the age of 8-9 years and lasts about 5 years).
This occurs when secondary sexual characteristics appear, the body becomes active, and the rapid growth of the girl's body becomes long. The end of this stage coincides with the appearance of the Menarchy.
Two stages of puberty - puberty (from 13-14 years to 18 years)).
It starts with Menage. There is a slowdown in growth, the appearance of ovulatory cycles. Puberty in girls ends with the completion of sexual and general physical development and functional and anatomical readiness for conception and childbearing.
stage of physical development
1. Terre - the first stage of puberty. This is the development of the milk bud and occurs around the age of 10-11 years. This is due to an increase in circulating estrogen levels. At the same time, with Teraka, the mucous membranes of the vagina and uterus are saturated with hormones.
2. Pubache: at the beginning of the growth of pubic hair, it is very fine and straight. This usually happens around the same time that breasts and armpit hair appear, but it can happen later, as early as 12 or 13 years of age.
3. BALCLES: Currently, the number of pubic hairs is increasing and the texture is changing from fine to coarse. This is also the time when armpit hair grows and body odor begins. At this time, the girls begin to get acne. This stage occurs a few years from the first breast of the fetus to the first menstruation.
4. Maicho: Usually occurs two years after Hibari. Adolescence's menstrual cycle is usually irregular during the first six months to one year, indicating that there is no ovulation cycle. The regular cycle is set about two years after the man.
A teenager is characterized by the following external and internal changes.
Body length grows rapidly.
Changed to a shape that matches the type of woman.
Pimples (pimples) that can be done on the face.
Changes in mood; changes in mood; menopause.
In early puberty, body growth is accelerated. This can cause clumsy and disproportionate girls.
During puberty, the sebaceous glands are activated by increased secretion of androgens. As a result, the oil and skin are more oily. If the sebaceous gland works excessively, pimples and darkening will be created on the face, neck and back.
Military expansion and growth
Breast formation begins when the nipple and halo enlarge. In addition, all the mammary glands began to develop, and this ends at 14-16 years of age. The final breast size is the first size after the birth of a child and breastfeeding.
Condition of vegetation in the affected area
As an initial symptom of a teenager, pubic hair will grow. First of all, individual hair grows in the major lips and spreads throughout the pubic area and perineum after 6-12 months.
Change in shape
During puberty, the width of the pelvis also increases due to the influence of female hormones. As a result, the girl's hips are quite wide. The amount of adipose tissue increases, and deposits to the buttocks, thighs, mammary glands, pubic areas and shovel.
Come when I was 11-14 years old. This indicates that the body is developing correctly and properly.
Under the influence of hormonal changes, external and endogenous women. By the end of adolescence, Labiar girls and the vagina reach typical parameters for adult women. For example, the enlargement of the labia sometimes seen in teenage girls is due to overexposure to male hormones and is mostly due to both genetic factors and hormone levels.
When something goes wrong
A teenager is part of normal growth and development. If puberty is delayed or too early, you may need to see a doctor. In the following cases, a problem occurs, so please consult a pediatric gynecologist.
During puberty (usually between the ages of 10 and 20), boys and girls reach adult height and weight and peak. For boys, see Sexualization, Superficial and Adolescent Gender Differentiation, Superficial and Adolescent. For girls, see The sexually mature hormonal interface between the hypothalamus, anterior lobe glands, and ovaries controls the female reproductive system. The hypothalamus secretes the hormone gonadotropin carinat, a short peptide. More The timing and speed at which these changes occur varies and depends on genetics and environment.
1. Grummer-Straun LM, Reynold S, Krebs NF, Centers for Disease Control and Prevention (CDC) Using data from the World Health Organization and CDC Child Development Angen ANGED 0–59 months onwards. MMWR Recat Rep 10 (RR-9: 1-15, 2010). Explanations and additional information. MMWR Recat Rep 59 (36): 1184, 2010.
10 cm. During peak years, growth of 9 cm per year can be expected as puberty passes. Read more for boys.)
If delayed puberty is puberty, it means that puberty does not occur at the expected time. The diagnosis is made by measuring the level of sex hormones (testosterone, estradiol) and lutein. Read more Delays can significantly slow growth. If the delay is not pathological, then a growth spurt occurs during adolescence, when the growth rate catches up and crosses the percentile until genetically determined growth is reached.
Growth spurt in boys sometimes occurs around 12–16 years of age, usually with a peak between 13 and 14 years of age; in the year of peak growth rate, an increase in height can be expected. In children with precocious puberty, precocious puberty is the onset of puberty before 8 years in girls and before 9 years in boys. Radiologically diagnosed on the basis of comparison with group norms. Read more information (breast development by age 8 for girls, testicle and penis development by 9years for boys). Precocious puberty is defined as sexual development by age 8 in girls and by age 9 in boys, but some children have quite normal sexual development by age 8 or 9.
During puberty, all organs and basic development of the whole body take place. The girl's breasts, genitals and body hair of men and women are the most visible. In addition, even if this process progresses normally, significant psychological indications are required. Especially for boys whose physical development is delayed or girls with rapid maturation can cause more mental stress when development time is lost. Many of the children who develop late are associated with secondary gland dysfunction and will eventually be able to safely catch up with their classmates. In order to eliminate such a pathological cause of such a delay, or to check for a pathological cause, it is necessary.
Teenage children should receive advice on diet, exercise and lifestyle, and the role of various activities such as sports, the arts, social activities and social services. The relative amount of protein and energy required (G or KCAL/kg of body weight) gradually decreases from the second half of an infant to adolescence.g/kg/day, while girls of the same age are 0.8 g/kg/day. The average relative energy requirement for men aged 15 to 18 is 45.5 kcal/kg and for girls of the same age is 40 kcal/kg.
Physical Ability Development Reference
1 Tanner JM, Davies PS: Clinical Vertical Criteria for Growth and Growth Rate of North American Children. J Pediatr 107 (3): 317-329, 1985.
Adolescents generally progress in both male and female order. The rate of onset and sexual development varies and is influenced by genetic and environmental factors. Teenagers now visit earlier than 100 years ago, probably and because of their improved nutrition, general health, and living environment, for example, the average age of head medications has fallen by about three years over the last 100 years.
It seems. to be. The physiological changes that support puberty are explained by a professional. Chapter. Male reproductive endocrinology and male reproductive endocrine development and male hormones are adjusted by a complex feedback mechanism involving the hypothalimus-aceetriculus-testicular, controlled by the central nervous system. Ragos is read in the continuation of the professional. In ch. Female reproductive endocrinology. The hypothalamus secretes a short peptide, the gonadotropin releasing hormone. read more
In boys, the sexual changes begin with the growth of the scrotum and testicles, and the sexual changes continue until the growth of the penis. See schematic diagram). Boys and girls reach adult height and weight (usually 10 to 20 years old) for aesthetic growth, aesthetic and prostate growth (1) for adolescent puberty.。 See additional information for boys). After this, pubic hair appears (see Draw a tone scale from II to V to assess the maturity of pubic hair). Hair grows on the side and face two years after the genital area. Growth prog usually begins one year after testicular size has begun (see Generic Time when the secondary of males is expressed). The average initial age (between 12.5 and 14 in the United States) is said to be affected by psychological, cultural, and biological factors. The first ejaculation occurs about a year after the acceleration of penile development. The female breast in the photo is enlarged with male breast tissue. The gynecoma breast is enlarged by male glands. It is necessary to distinguish it from the pseudo Dokano. When you read more information, it is common among teenage boys and is usually performed within a few years in the form of mammary glands.
Schematic diagram of Tanner's penis I-V
Figure 1 in Figure 1 in Marshall WA, Tanner JM: varis in the diagram of pubertal changes in boys. Arch Dis Child 45 (239): 13-23, 1970.
The adolescent causes various problems for both children and parents.
The body of the child grows, the appearance changes, and the reconstruction of hormones occurs, which appears in the transformation of the genital organs and new physiological phenomena. How can I be with my daughter and son and understand that everything is going well? What should I do if puberty starts early or not vice versa?
Adolescence is a time when children experience some important physical changes. These changes are associated with menstruation, psychology and emotions, and mean that children gradually leave their childhood and enter puberty.
The changes that take place at this time are:
What is puberty?
Body growth and development that affects both appearance and internal organs.
Changes in emotions, relationships and social connections.
The first sign of puberty is breast development, which occurs around 10-11 am. For girls who need a bra, padded tops and sports bras are recommended for beginners.
How does it manifest itself?
Another feature of a girl's puberty is that growth becomes active. In addition, a part of the body may grow faster than other parts, so it will be awkward and uncomfortable for a while. Please explain to your daughter that this is all for a while, and after a few years (or a few months). On average, adolescent girls grow 5 to 20 cm per year and stop growing at the age of 16 to 17 years.
Daughter also changes, such as waist width, growing pubic area and growing pubic hair. Around the age of 12 to 14 (two years after breast development begins), hair begins to grow under the armpits. At the same time, menstruation begins. During this time, the daughter may cause headaches and stomach cramps. At first, menstruation occurs irregularly, but begins to occur at the same interval. If you are currently experiencing unpleasant symptoms such as itching and severe pain, please consult your doctor.
Around the age of 11-13, external genitalia begin to grow and pubic hair grows. At the age of 12-14 my son grows up. High and wider chest and shoulders. Just like a girl, the growth rate varies by body part, so teenagers can look awkward.
Boys grow on average 10 to 30 cm per year and stop growing between 18 and 20 years of age. In addition, boy and adolescents are characterized by breast growth, but this is normal and usually heals naturally, but if the son is concerned, or the breast continues to grow, see a doctor. You should consult.
Around the age of 13 to 15, hair begins to grow in other parts of the body, such as the armpits and face. A lot of testosterone in the body is secreted, contributing to the production of sperm. My son starts to be pollution at night, sometimes towering and often erect for no reason. It's a natural thing to tell your child that people usually don't know. Around the age of 14-15, Caddick ("Apple Apple") becomes prominent and the teenage voice "cracks" and eventually falls off.
Usually girls begin to change between the ages of 10 and 11 and boys 11-13. However, this is just a guide, there are individual differences among children, and the onset of normal puberty is between 8 and 13 years and 9 years for boys.
You cannot know exactly when your child will reach adolescence. The change in brain function and hormonal amounts is invisible, so it's easy to think that adolescence hasn't started, so it's easy to misunderstand.
When puberty starts
It's been about a year and a half since adolescence started, and it can take up to five years.
The beginning of puberty also has individual differences, and even children in the same family are very different.
If the onset of puberty is much earlier or slower than at the same age, the child's self-esteem may be impaired and body perception may be impaired.
It is important for parents to monitor the rate of puberty and signs of delay and consult a doctor if necessary.
It is said that a girl under the age of 8 and a boy who starts before the age of 9 is adolescence. In adolescents, early onset is more common in girls than boys.
Children who quickly greeted teenagers.
Being deluded by a friend.
Did you hesitate?
Grab your body negatively.
Sexual life begins.
First, he looks tall for his age, and growth (since the same generation) has stopped.
Girls in their first period of growth may have less self-esteem and often experience mood depression, anxiety, and eating disorders. On the other hand, boys in early growth are very self-esteem and are very popular with friends.
Premature puberty is caused by overweight, genetic predisposition and, to a lesser extent, hormonal imbalance. However, in many cases, especially in girls, puberty occurs early for no apparent reason.
If you notice any signs of precocious puberty, make an appointment with your doctor to find out the cause and whether you need treatment.
During early puberty, it is important to explain to your son or daughter what is going on in their body and answer any questions they may have. Try convincing them by saying, "I understand how your child feels, but your body is fine." If your child wants to discuss their situation with the school psychologist or other professional, give them the opportunity to do so.
Puberty is considered late when girls are 13 years old and boys are 14 years old without signs of puberty. Also, if you have signs of puberty but don't start menstruating by age 16, this can be called delayed puberty.
In this case, the teenager may become shy. At this time they are less developed than their contemporaries. For example, boys with late onset puberty have low self-esteem. Parents can talk to their kids about their bodies and feelings and reassure them that they will eventually catch up with their peers.
Late puberty is mainly due to heredity. If someone in your family has had delayed puberty, such as your mother or father, your child will most likely experience this too. After that, such teenagers usually catch up with their peers.
Delayed puberty can also be caused by lifestyle factors such as poor diet, eating disorders and severe stress.
Chronic diseases, hormonal imbalances and certain genetic disorders can also delay puberty, but this is very rare. If you think your child's delayed puberty may indicate a health problem, talk to your pediatrician.
Parents often worry that their child's physical development will be different from other children. If you think your child is growing too fast or too late, first check how he is feeling.
Adolescence in boys is a period of fundamental changes in overall biological and social development. There are changes in the distribution of adipose and muscle tissue, the development of the vascular and respiratory systems, and an increase in strength and endurance.
Boys' physical and mental characteristics change. Genetic and environmental factors come into play that interact with the action of hormones.
Age of onset of puberty in boys 9years. During this period, their bodies undergo the first external changes. But the hormonal changes that cause these changes in appearance began a little earlier.
Puberty lasts 4-6 years and marks the beginning of puberty. Young men need to know how to cope with the interplay of physical development, emotional development, mental development, and the changes of puberty.
Puberty in boys - duration
Hormones are special chemicals that are carried throughout the body by the blood. They carry certain messages to cells, tissues and organs.
The endocrine system is responsible for the production and regulation of hormones present in the body from birth and activating the glands involved in the process of sexual development in boys.
Puberty in boys - hormonal changes
The hypothalamus is a brain structure that produces the hormone dottropin gallate (GNRG) and is called the nerve county, which regulates the function of the pituitary gland. Associated with the onset of puberty. The main function is to regulate growth, growth and eggs.
The pituitary gland in the gland is charged with the secretion of growth hormone and the adjustment of the thyroid glands.
A hormone called thyroid gland y-thyroxine is secreted to regulate growth and development.
The secretion of adrenocortical adrenal and adhesions, which control the development of the genitals and adolescents, and the secretion of cortisol, which affects the growth of the body.
Disseminated gonad (testes) -androgen (testosterone), responsible for the production of men (sperm formation).
In young people, testosterone secretion and sperm production are only detected during adolescence. Does not occur before puberty.
In young people, the first increase in hormones from 6 to 9 years is called adrenaline. Two years later, genetic hormones will be secreted more strongly. Boys meet a little later than girls.
Young males also have primary and secondary sexual characteristics that occur between 9 and 15 years of age (about 12 years on average).
The growth of young adolescents has various physical changes. Adolescence is the fastest and most noticeable acceleration of the physical development of young people who were in childhood.
At the age of 11, the young man gained rapid height and weight at the age of 11, peaked at the age of 13 and ended at the age of 17.
Puberty in young men - physical changes
Changes that occur in adolescent young people
Average 28 cm (10 cm per year), average price than girls at the end of growth
At the age of 14, average 9 kg per year and at the end of puberty gain an average weight than girls.
Fat to Muscle Ratio
Arm and leg fat is reduced and muscle mass is increased. By the end of puberty, muscles and bone tissue are 1.5 times more than girls. The ratio of adipose tissue to muscle tissue of a teenager is 3:1
First, the growth of arms, legs and legs is accelerated, and then the trunk and shoulders extend to the waist.
Puberty in a young person is controlled by androgen (male hormone).
During male puberty, testosterone secreted from the testicles plays an important role. This contributes to various physical changes in young people, such as muscle growth, body and face growth, changes in voice, and the appearance of other sexual characteristics of men.
Puberty in young men
In young people, when the amount of androgens and gonadotropin excretion are reached in the body, like adults, spermatozoa formation (mature generation of spermatozoa) is performed.
Primary and secondary sex develops over time.
Basic sex includes genitals, penis, scrotum and testicles. Secondary Sexual Characteristic - An additional indicator of puberty (muscles, nipples, chin, physical height, etc.).
Adolescence of young people usually accompanies the following changes.
Growth of testicles, change in scrotal texture and color, and enlargement of pubic hair from a mean of 11 years.
Enlarge penis, strengthen pubic hair.
Semen (first ejaculation) - When at age 13.
The first ejaculation and semen usually occur at about 13 years of age, one year after the onset of penile acceleration. For some time semen contains a small amount of live sperm.
It is important to note that the young man's spermatozoa uniform is not the same as menarche for girls. Sperm is considered as important to young people as menarche is to girls, but the importance of young people and young people's response to sperm is hardly known.
Most young people are not ready for this event, but they do not seem to feel fear, anxiety or discomfort. However, young people tend not to talk to their parents and friends about their first experiences.
Puberty in young men - first ejaculation
The normal age of adolescence is that one of two young people of the same age has experienced all the changes that have already been described, and the other has not begun.
In adolescents, early onset is more common in girls than in young adults. However, the interaction between the environment and the gene may lead to the rapid development of some boys. If a person of young age is growing rapidly and gaining weight and muscle mass, it is likely that he is a teenager at an early stage.
Both adults and friends recognize that men are independent, self-confident and physically attractive. Therefore, the popularity of peers is very high. In addition, young people under the age of 9years of age can realize testicular and penis growth, as well as an increase in overall physical development.
In the early adolescent of young people, the warts also look like warts, and the hair and genitals grow. All these phenomena have various psychological and emotional changes. Therefore, parents and children face many problems.
Precocious puberty in young men - symptoms and features
Advanced young men have had sexual relations before. Adults expect them to be more mature and more responsible. Sometimes this can cause conflicts or take inappropriate actions. The early maturity of a young person is associated with the problem of adaptation at a later age.
Puberty may be slow in young people. The main causes are chronic diseases, excessive exercise, childhood and adolescent sports, and inadequate food intake for normal physical functions.
There may then be genetic primary causes during puberty. The boys probably had similar problems with their parents and other families.
These people are worse than those who were born early. Boys who are late for a teenager are smaller in height and weight. As a result, they are embarrassed by their appearance and have a psychological complex.
Late puberty in boys - symptoms and features
In relationships with friends, he feels rejected and attracts attention with rebellious looks and annoying actions.
Psychological changes in adolescents are necessary processes and occur in various areas of life.
And because of the hormones, sexual and physical changes during puberty, puberty becomes more sensitive to stress, so puberty is vulnerable or especially sensitive to psychological changes. It counts.
A young person's adolescence happens before you even notice it. However, as the signs become visible, the environment is sometimes wrong. In general, young people talk little about adolescence compared to girls. Despite this, it is usually in the second half of the developmental stage.
Puberty in boys - behavior and mental development
Boys in action may notice impulsiveness and aggression. Experts believe that young people are more driven by making specific biological or hormonal changes in puberty.
Young people show a positive reaction to the growth and development of the body. Usually the worst position is those who delayed this process. Being ridiculed by colleagues.
One of the reasons is that they like people who are strong and big in any cultural area. This is equivalent to the proportions of a normal adolescent young adult.
Young people often want to rebel, so they often run dangerously. The relationship with my parents is not going well because I believe that I cannot understand my parents. In addition, parents expect a young person because they misunderstand the appearance as if they are already adults.
And there is pressure and excessive control problems. Young people draw closer to themselves because they cannot meet the demands and expectations of their parents. Therefore, I do not talk much about my changes and do not say bad things, for fear of losing the trust of my parents.
Young people have grown up and seem to have already entered the adult world, but parents should understand that the development of social emotions does not always correspond to the appearance.
Puberty in boys - relationship with parents
It is well known that young men mature later than women. So it's a good idea for parents to give them time and space to feel free and in control of their actions.
Children's weight, children's height, child's weight and height, normal, normal indicators
Grow, grow, baby - articles from specialists of the clinic "Mother and Child"
height, body weight, as well as the size of the circumference of the head and chest - these are the main indicators by which the physical development of a newborn child is assessed. Small or, conversely, large weight, the ratio of the circumference of the head and chest, the height of the baby are not just dry numbers, they can be used to suggest or exclude some diseases of the newborn. That is why, as soon as the baby is born, it is immediately measured, weighed and entered into the medical record. Then, in the first year of life, the height, weight, circumference of the chest and head of the child should be measured once a month, since the baby is growing very rapidly at this time.
Term newborns are usually 46–56 cm tall. Boys are generally longer than girls, but if the parents are tall, a newborn girl may be significantly taller than the average newborn boy.
What happens to the growth of children in the first year of life? During this period, the child grows most intensively - by as much as 20–25 cm! In the future, such a significant increase in growth will no longer be.
After the first year, the growth rate decreases slightly: in the second year of life, the child grows by 8-12 cm, in the third - by 10 cm. After three years, it is considered normal if the child grows at least 4 cm per year.
It is known that the height of children increases unevenly, jumps. For example, there are seasonal and daily dynamics. Many parents notice that during the summer the child stretches more than at other times of the year. The first growth spurt usually occurs at the age of 4-5 years. The next usually falls on adolescence - the beginning of puberty. At this time, children grow very quickly - up to 8-10 cm per year and even more. Moreover, this happens in boys and girls, at different ages - girls “start” 1–2 years earlier, but then boys catch up with them and overtake them.
Interesting fact: those parts of the body that are farthest from the head grow faster (that is, the baby’s foot grows faster than the lower leg, and the lower leg, in turn, faster than the thigh), this is due to the age-related change in body proportions child.
What influences growth
How a child will gain weight and grow in length depends on hereditary data, on his nutrition and on the quality of life in general. If mom and dad are tall, then the height of their son or daughter will most likely also be the same. Moreover, boys usually grow up in the same way as their dad (or a relative in the male line - uncle, grandfather), and girls follow the scenario of the "female line" (mother, grandmother, aunt). So if the father of a child up to a certain age was the last or penultimate in physical education in the ranks of his peers, and as a teenager he grew sharply in one summer, then it is likely that his son will also have the same growth rates.
There are formulas that allow you to calculate your child's genetic height. However, , depending on some other factors, the height of the child may be more or less, differ from the calculated one up to 10 cm!
Girls = (father's height in centimeters + mother's height in centimeters)/2 - 6.5 cm. 5 see
And, of course, the quality of a child’s life is of great importance: if he grows up in good living conditions, often goes out into the fresh air (sunbaths are especially important), if he is taken care of a lot, pays attention to health, then growth and an increase in weight will correspond to the norm for his age.
It has also been established that children grow up in their sleep. Growth hormone is released into the blood at night when the baby is fast asleep. Most of the hormone is produced between 22 and 24 hours, and only during deep sleep. So in order for the child to grow well, he must sleep at this particular time, and not just sleep - his sleep must already be deep. In addition, sleep should still be long enough: up to 12-14 years old, a child needs to sleep at least 10 hours, teenagers - at least 8.
The child's growth must be closely monitored. There is such a condition as growth hormone deficiency (somatotropic insufficiency) - often this is a congenital disease. A child's pituitary gland produces very little growth hormone (GH) from birth. A child is born with normal height and weight, and then begins to grow poorly: at 2 years old, instead of the average 80–85 cm, he has a height of 78–80 cm. By the age of five, this lag is more and more noticeable, and every year the child is more and more lags behind peers. If such a child is not treated, then as an adult he will have a small stature: men are less than 140 cm, women are less than 130 cm. he is growing well.
Record your baby's growth about once a year at the same time. If a child grows 4 cm per year after 4 years, this is normal, but if less, then this is a cause for concern.
When getting the results of measuring your baby, you need to remember that all children are different, and it is not necessary for every baby to reach the average height by a certain age. It is necessary to take into account growth at birth, as well as the rate of increase of these indicators: for example, a newborn with a height of 48 cm can differ significantly in anthropometric indicators from a child born with a height of 55 cm and a weight of 4000 g. And this is completely normal - it’s good when there are diversity!
The norm for a newborn is :
height: from 46 to 56 cm
Increase in height by months : cm)
3-6 months: 2.5 cm monthly (about 7.5 cm total)
6-9 months: 1.5-2 cm monthly (4.5-6 cm total)
9 -12 mo: 1 cm monthly (total 3 cm)
Average 1-year growth:
height 75 cm
70% of growth hormone is produced between 22 and 24 hours, and only during deep sleep . It turns out that at this time a child of any age should not just sleep, but see the tenth dream - and deep. Therefore, in order to grow well, up to 12-14 years old you need to sleep at least 10 hours, teenagers - at least 8
Height may be affected by health problems. For example, chronic diseases of the respiratory system, heart and blood vessels, gastrointestinal tract, hormonal disorders. Regular intake of drugs containing glucocorticosteroid hormones (for example, to relieve asthma attacks) also slows down growth.
How to influence the growth of a child
In order for a child to grow, the body needs amino acids, which can only be obtained from complete protein. 60% of the protein food should be dairy products, eggs, fish, poultry, meat - in general, animal products. They should not be very fatty, as fat inhibits the production of growth hormone.
Carbohydrates provide energy for growth, but they must be obtained from cereals and grain dishes. Sweets, which do not contain fiber, slow down the production of growth hormone. Uncrushed cereals (buckwheat, millet, pearl barley, etc. ), on the contrary, increase the synthesis of growth hormone.
Vitamins and minerals are also important for growth. Especially vitamin D, the lack of which develops rickets.
Don't forget calcium and iodine. Calcium increases the volume and strength of bones, iodine is part of the thyroid hormones, which also affect growth.
The general routine of the day is also important: the child should not be overloaded both physically and psychologically. He should walk a lot and sleep well.
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