9 month old baby head circumference standard

Generally, from the time a baby is born to about one and a half weeks, this is the peak period of a child's growth and development. A child's height, head circumference and other aspects change a lot. A 9-month-old baby can already roll over and crawl, and some babies can even sit steadily. For many new mothers, as the child grows, they will also be more worried about whether the child's current growth and development is healthy, and whether the difference with children of the same age is normal. The following will give you a detailed introduction to the growth and development indicators and head circumference standards for 9-month-old babies.

Boys: height 65.2-80.5cm; weight 6.67-12.99kg; head circumference 41.5-49.4cm.

Baby girl: height 63.7-78.9cm; weight 6.34-12.18kg; head circumference 40.5-48.2cm.

Note: The above data is compiled based on the Ministry of Health's "Reference Standards for Growth and Development of Children Under 7 Years Old in China".

Fingers: Use thumb and index finger to grab small objects.

Deciduous teeth: 2-4 teeth can grow.

Movement: In order to hold high objects, the baby can stand on tiptoes to support himself. Limitation of ability to stand without much support.

Language: When a baby's language expression ability is lower than his actual thinking ability, the baby cannot use words to express his wishes and ideas, and will shout or even cry in a hurry.

Social: His communication with adults becomes easier, more active and harmonious. He interacts with adults through a combination of actions and language. When putting pants on him, he will take the initiative to straighten his legs. He will repeat actions when he hears praise and compliments from others. He will also cry when other babies cry.

During this stage, the baby's staple food is breast milk and milk substitutes, and the amount of milk should be maintained at 600-800ml per day, 3-4 times a day.

When babies see adults eating, they will drool and cry to show that they want to eat. But be careful not to feed your baby adult food, because the salt, sugar and other seasonings in adult food will increase the burden on the kidneys and even damage the baby's kidney function.

If your baby's weight increases significantly, it's basically because he's taking in too many calories; if your baby is stunted, it's probably because he's not getting enough calories.

Do not reduce your baby's water intake due to a decrease in the amount of breast milk or formula, especially in summer, you should feed your baby more water or diluted juice.

Since the iron stored in the baby's body is almost exhausted at this stage, iron-containing foods need to be supplemented in time.

If your baby is exactly nine months old, then you'd better check this article to see whether your baby's developmental indicators are normal. This way you can have an understanding of your baby's growth and development. If there are any problems with your baby's development, you must adjust them in time.