Why are the baby's leg lines asymmetrical? What are the growth and development standards for infants and young children?

Sometimes, carefully observing the baby's leg lines can detect whether the baby is healthy. So, what is the matter with the asymmetrical leg lines of the baby?

Why are the baby's leg lines asymmetrical?

1. Your baby is too fat!

2. Physiological asymmetry without dysplasia of the hip joint (this type actually accounts for the majority)

3. External manifestations of developmental hip dislocation; (This is the focus of our screening)

Baby growth and development indicators

Physiological indicators in January:

At one month old, a baby boy weighs 3.09-6.33 kg and is 48.7-61.2 cm long; a baby girl weighs 2.98-6.05 kg and is 47.9-59.9 cm long.

Developmental indicators in January:

When the baby is one month old, he can lie on his stomach and raise his head with his chin off the bed for three seconds. He can focus on moving objects in front of him. He will be quiet when he hears sounds while crying. He can make sounds other than crying. He can hold a pen tightly with both hands. He can open his mouth and imitate speaking.

Physiological indicators in February:

At two months old, the baby boy weighs 3.94-7.97 kg and is 52.2-65.7 cm long; the baby girl weighs 3.72-7.46 kg and is 51.1-64.1 cm long.

Developmental indicators in February:

He will smile when teased. His eyes can follow objects moving horizontally. He can turn his head to look for the source of sound. When lying on his stomach, he can lift his head for a moment and turn his head freely. His fingers can open and close on their own and he can play with them in front of his chest. He will suck his thumb.

Physiological indicators in March:

At three months old, the weight of a baby boy is 4.69-9.37 kg and the height is 55.3-69.0 cm; the weight of a baby girl is 4.40-8.71 cm and the height is 54.2-67.5 cm.

Developmental indicators in March:

When lying prone, he can lift half of his chest and support his upper body with his elbows; his head can be upright; he can look at his hands, hold them together, and grab clothes, hair, and face; his eyes can follow objects 180 degrees; he will smile when he sees people; he can answer questions out loud, scream, and make long vowels.

Physiological indicators in April:

At four months old, the baby boy weighs 5.25-10.39 kg and is 57.9-71.7 cm long, while the baby girl weighs 4.93-9.66 kg and is 56.7-70.0 cm long.

Developmental indicators in April:

When lying prone, the baby's upper body is completely raised and perpendicular to the bed; the legs can be raised to kick off clothes and quilts and hanging toys; the vision is flexible and can shift from one object to another; the baby begins to babble and responds to adults' teasing with voice; and he likes to eat complementary foods.

Physiological indicators in May:

A five-month-old baby boy weighs 5.66-11.15 kg and is 59.9-73.9 cm long, while a baby girl weighs 5.33-10.38 kg and is 58.6-72.1 cm long.

Developmental indicators in May:

Can recognize mother and close people and respond to them; most children can roll over from lying on their backs to lying on their stomachs; can sit for a while leaning on a cushion and can straighten their backs when sitting; can stand with the help of an adult; can put things in their mouths; can utter one or two consonants.

Physiological indicators in June:

At six months, the weight of a male baby is 5.97-11.72 kg and the length is 61.4-75.8 cm, while the weight of a female baby is 5.64-10.93 kg and the length is 60.1-74.0 cm. Two teeth have appeared.

Developmental indicators in June:

The child can play with the feet and eat the toes; the head, torso and lower limbs are fully stretched out; the child can hold a toy in each hand steadily; the child can listen to sounds and see objects; the child can pronounce two or three consonants; the child can make familiar movements when adults recite nursery rhymes; the child can smile when looking in the mirror and touch the person in the mirror with his hands; the child can eat biscuits by himself and can chew them.

Physiological indicators in July:

At 7 months, the weight of a male baby is 6.24-12.20 kg, 62.7-77.4 cm, and the weight of a female baby is 5.90-11.40 kg, 61.3-75.6 cm. There are 2 to 4 teeth.

July development indicators:

Can sit and crawl with the help of an adult; can pick up toys and put them in his mouth; can express likes and dislikes; can understand the meaning of simple words and understand the praise and criticism expressed by adults with words and facial expressions; can remember 3 to 4 acquaintances who have not been seen for a week; can use sounds and actions to indicate the need to urinate or defecate.

Physiological indicators in August:

At eight months, a boy weighs 6.46-12.60 kg and is 63.9-78.9 cm long. A girl weighs 6.13-11.80 kg and is 62.5-77.3 cm long. Two to four teeth may appear this month.

Developmental indicators in August:

Can stand up by holding the railing; can sit very well; can knock toys together with both hands; can make sounds by squeezing toys; can give toys to designated people; can open arms to ask adults to hold them; can use fingers to grab food and eat; can use 1-2 actions to express language.

Physiological indicators in September:

At nine months, a boy weighs 6.67-12.99 kg and is 65.2-80.5 cm long. A girl weighs 6.34-12.18 kg and is 63.7-78.9 cm long. There are 2 to 4 teeth.

Developmental indicators in September:

Stand with support and step sideways with both feet; can pick up small objects with thumb and index finger; can understand own name; can answer questions in simple language; can shake rhythmically with music; recognize facial features; can do 3 to 4 movements to express language; knows when adults are talking about him/her and understands shyness; can cooperate with dressing.

Physiological indicators in October:

At 10 months, the weight of a male baby is 6.86-13.34 kg and the length is 66.4-82.1 cm. The weight of a female baby is 6.53-12.52 kg and the length is 64.9-80.5 cm. 4-6 eggs are produced.

Developmental indicators in October:

Can call mom and dad; recognizes common people and objects; can stand alone for a while; can crawl quickly; can walk when an adult holds his hand; likes to be praised; actively uses actions to express language; takes the initiative to get close to other children.

Physiological indicators in November:

At 11 months, the weight of a male baby is 7.04-13.68 kg and the length is 67.5-83.6 cm. The weight of a female baby is 6.71-12.85 kg and the length is 66.1-82.0 cm. 4-6 eggs are produced.

Developmental indicators in November:

He can walk when an adult holds his hand; he can accurately understand the meaning of simple words; he can call grandma, aunt, etc.; he can point out some parts of his body; he can raise his finger to indicate that he is one year old; he does not want his mother to hold others; he has a preliminary sense of self.

Physiological indicators in December:

At 12 months, the weight of a male baby is 7.21-14.00 kg and the length is 68.6-85.0 cm, while the weight of a female baby is 6.87-13.15 kg and the length is 67.2-83.4 cm. 6-8 teeth appear.

Developmental indicators in December:

Can stand firmly and walk a few steps on his own without support; recognizes three to four parts of the body; recognizes three animals; can perform actions along with nursery rhymes; can complete simple requests from adults; does not do things that adults dislike or prohibit; begins to show interest in children and is willing to approach and play with children.

Growth and development of children aged 1-3 years:

Surveys show that various nutritional deficiencies mainly occur in children aged 1-3 years. During this period, the baby's physique and brain growth and development are still very rapid. However, many mothers only focus on how to let their babies eat well and eat more, and often ignore how to eat reasonably and in accordance with the needs of growth and development. Therefore, many babies have various nutritional problems during this period, such as iron deficiency, calcium deficiency, zinc deficiency, lack of multiple vitamins, obesity, etc.

1-3 years old growth and development characteristics:

1. The growth and development speed is still very fast. Although the growth and development speed of babies aged 1-3 years is slower than that of infants, it is still very fast and the demand for various nutrients is still very high. In addition, they are in the transition stage of weaning from breast milk, which is the transition from weaning food to staple food. Therefore, more attention should be paid to ensuring the supply of various nutrients and heat energy. Otherwise, it is easy for the baby to grow slowly, stagnate or even malnourished.

2. Gastrointestinal digestive function is still imperfect. The baby's teeth are gradually growing out, and they are basically all out at the age of 2. The chewing and digestion abilities are much stronger than those of infancy. However, the teeth are not yet fully out, and the chewing ability is relatively poor. In addition, the gastrointestinal motility and regulation ability are low, and the activity of various digestive enzymes is far less than that of adults. Therefore, the digestive function is still not fully developed and diseases are prone to occur.

3. The body has a high demand for protein. The baby's entire body is in the process of building various organs and tissues, and has a high demand for protein, especially for the growth and development of the brain, otherwise it will affect the intellectual development. The body muscles also develop rapidly, especially the development of the lower limbs, buttocks and back muscles.

The harm of calcium deficiency in babies

If babies lack calcium, their teeth will become loose, their muscles will become numb, tingling and cramped, and they will be prone to rickets, such as pigeon chest, O-shaped legs and X-shaped legs.

What should babies eat to promote brain development

Milk: Every 100 grams of milk contains 3.5 grams of protein and 125 milligrams of calcium. The calcium in milk has the function of regulating the excitability of nerves and muscles. Children who drink a glass of milk after breakfast every day are beneficial to improve cognitive ability and ensure that the brain works efficiently.

Onion and garlic: Onion and garlic contain alliin, which is many times more beneficial to the brain than vitamin B. Let children eat more onions and garlic on a regular basis, which can make the growth and development of brain cells more active.

Liver and kidney: Animal liver and kidney are rich in high-quality protein and glycolipids, and contain a large amount of choline and iron. Choline can improve brain memory; sufficient iron supply and red blood cells transport oxygen, making thinking more agile.

Walnut: Walnut kernels contain 40% to 50% unsaturated fatty acids, and about 60% of the substances that make up human brain cells are unsaturated fatty acids. It can be said that unsaturated fatty acids are an indispensable building material for the brain, and eating walnut kernels regularly is very good for the healthy development of the brain.