What is the head circumference of a one year old and two month old baby?

What is the approximate head circumference of a 1-month-old baby? This must be about 40cm.

<> one-year-old baby, after a year of development, is already very different from when he was born. The baby's growth and development before the first year of age is the most rapid, and a clear feature is that the head circumference has increased a lot. So what is the standard value of one-year-old baby's head circumference?

In the process of the baby's growth and development, the mother will take the baby to the hospital in time to do various examinations to determine that the baby's growth and development level is normal. Among them, the measurement of head circumference is an important work, through the measurement of head circumference can determine whether the baby's brain development is normal. From the birth of the baby to three months, is the most rapid growth of head circumference stage, the average head circumference of newborns is 34 cm, with the rapid development of the baby, the baby's head circumference grows the fastest before three months, the growth rate of head circumference will slow down after three months, to the age of one year, the standard value of the boy's head circumference is 46 cm, the standard value of the girl's head circumference is centimeters.

Parents can take their babies to the hospital to measure their head circumference, or they can measure their head circumference at home. In fact, the method of measuring hip circumference is very simple, you can use a soft ruler, start from the highest point between the baby's eyes, circle around the baby's head, and measure the length of the baby's head circumference.

In fact, the head circumference has its own normal value, and it is not too good for the head circumference to grow too fast, and the rapid growth of the head circumference may be caused by hydrocephalus, indicating that the baby's physical development is abnormal. If the growth of head circumference is too slow, it is also bad, which may indicate that the baby's growth and development is slow, and there is a certain problem. Therefore, parents must monitor the baby's head circumference in time to ensure that the baby's head circumference is within the appropriate range, so that the baby's growth and development is normal.

1. The head circumference standard of a one-year-old and two-month-old baby is 46 to 48, and if the head circumference is too large, it is necessary to check whether there is a possibility of hydrocephalus.

2. From the birth of the baby to three months, it is the most rapid growth stage of head circumference, the average head circumference of newborns is 34 cm, with the rapid development of the baby, the baby's head circumference grows the fastest before three months, and the growth rate of head circumference will slow down after three months, and when it is one year old, the standard value of the boy's head circumference is 46 cm, and the standard value of the girl's head circumference is centimeter.

1. The head circumference of the baby at the age of one year and three months: the head circumference of boys and the head circumference of girls.

2. Head circumference (English name) refers to the circumference from the glabellar point (G) as the starting point and through the posterior occipital point (OP) to the starting point. Head circumference reflects the development of the brain and skull, and is most meaningful when measured at 2 years of age, and excessive head circumference is seen in hydrocephalus and rickets; Small head circumference is seen in microcephaly.

The head circumference of a one-and-a-half-acre nuclear baby boy is centimeter, and the head circumference of a female baby is centimeter.

In a week and a half, the child gradually develops in all aspects of his body, and his head circumference is also gradually changing. It is normal for a one-and-a-half-year-old boy to have a head circumference in centimeters, with an average of centimeters, and a baby girl's head circumference in centimeters, with an average of centimeters.

This is normal, average. Most babies are born with a head circumference of about 34 cm, generally the first 3 months to 6 months after birth the head circumference growth rate is relatively fast, about 9 cm long, the growth rate in the second half of the year will slow down accordingly, before and after 1 year can grow about 12 cm, the normal head circumference is about 46 cm. If the head circumference is slightly larger or a little smaller, it may also be related to genetics.

Newborn baby head circumference standard:1. At birth: about centimeters for boys and centimeters for girls.

2. When the moon is full: about centimeters for boys and centimeters for girls.

3. The second month: about centimeters for boys and centimeters for girls.

4. The third month: about centimeters for boys and centimeters for girls.

5. Fourth month: about centimeters for boys and about centimeters for girls.

6. Fifth month: about centimeters for boys and centimeters for girls.

6. The sixth Xun staring month: about centimeters for boys and centimeters for girls.

7. Seven to eight months: about centimeters for boys and centimeters for girls.

8. Nine to ten months: about centimeters for boys and centimeters for girls.

9. Eleven to twelve months: about centimeters for boys and centimeters for girls.

1. One and a half years old, that is, 18 months, the height of the baby girl is centimeters, the weight value is kilograms, and the head circumference is to. During this period, the individual differences of the baby have been more obvious, as long as they are within this range, they are normal.

2. Baby head circumference has different values for different ages, the average head circumference of the baby with a birth weight of about three kilograms is about 34 cm, the first three months grow to about 40 cm, the average value of the head circumference of one year old is 46, and the growth of the head circumference gradually slows down after the age of two, and the head circumference reaches 50 cm at the age of 5.