What is the circumference of a three month old baby's head?

What is the head circumference of a three-month-old baby? There is a certain standard for the head circumference of a three-month-old baby. The baby's head circumference can also measure the baby's physical development, so everyone should know the indicators of the baby's head circumference. Especially parents, they should pay attention to their children's growth and pay close attention to their own physical development. Don't be ignorant of your children's physical development.

Everything about a newborn baby is under the attention of its parents. The size of the head circumference naturally concerns the parents. Head circumference is actually a way to measure the size of the head. When the baby is still in the mother's belly, head circumference is an important criterion. Doctors measure the fetal head circumference to predict fetal development and choose the best method of delivery. After the baby is born, it is also important to measure the head circumference. A head circumference that is too large or too small may be a sign of illness. Let us take a look at the standards for baby head circumference.

The baby's head circumference standard refers to the normal value of the baby's head circumference, and the head circumference is the maximum length of the baby's head. When the baby's head circumference is lower or higher than this standard, there may be some problems. Let's take a look at the head circumference standard for babies under one year old!

1. At birth

Boys: 31.8-36.3 cm, average 33.9 cm

Girls: about 30.9-36.1 cm, average 33.5 cm

2. Full Moon

Boys: about 35.4-40.2 cm, average 37.8 cm

Girls: about 34.7-39.5 cm, average 37.1 cm

3. Second Month

Boys: about 37.0-42.2 cm, average 39.6 cm

Girls: about 36.2-41.0 cm, average 38.6 cm

4. Third Month

Boys: about 38.2-43.4 cm, average 40.8 cm

Girls: about 37.4-42.2 cm, average 39.8 cm

5. Fourth Month

Boys: about 39.6-44.4 cm, average 42.0 cm

Girls: about 38.5-43.3 cm, average 40.9 cm

6. Fifth Month

Boys: about 40.4-45.2 cm, average 42.8 cm

Girls: about 39.4-44.2 cm, average 41.8 cm

7. Sixth month

Boys: about 41.3-46.5 cm, average 43.9 cm

Girls: about 40.4-45.2 cm, average 42.8 cm

8. Seven to eight months

Boys: about 42.4-47.6 cm, average 45.0 cm

Girls: about 41.2-46.3 cm, average 43.8 cm

9. Nine to ten months

Boys: about 43.8-49.0 cm, average 45.7 cm

Girls: about 42.1-46.9 cm, average 44.5 cm

10. Eleven to twelve months

Boys: about 43.7-48.9 cm, average 46.3 cm

How big is the head circumference of a three-month-old baby? At each stage, the baby's head circumference has certain standards. The above introduces the standard parameters of the baby's head circumference at each stage. Parents should know these parameters. When the baby has a physical examination, it is also necessary to check the head circumference. The head circumference can reflect the child's growth.