Generally from about one and a half weeks after the baby is born, this is the peak period of growth and development of the child. Children's height, head circumference, etc. change greatly. 9-month-old babies can already roll and crawl, and some babies can also sit firmly. For many new mothers, as their children grow, You will be more worried about whether the current growth and development of your child is healthy and whether it is normal compared with children of the same age. Next, I will introduce in detail the growth and development indicators and head circumference standards of 9-month-old babies.

1. Baby development indicators at 9 months

Baby boy: 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 are compiled based on the Ministry of Health’s “China Growth and Development Reference Standards for Children Under 7 Years Old”.

2. Detailed explanation of baby’s 9-month development indicators

Fingers: Can use thumb and index finger to grasp small things.

Deciduous teeth: 2-4 teeth can grow.

Action: In order to grasp high objects, the baby can stand on tiptoes for support. Limited ability to stand with little need for support.

Language: When the baby's language expression ability is lower than his actual thinking ability, the baby cannot express his wishes and thoughts in language, and will shout or even cry in anxiety.

Socialization: Communication with adults has become easier, more active, and more harmonious. He will interact with adults through movements and words. When he is put on pants, he will take the initiative to stretch his legs. He is straight; he will repeat actions when he hears praise and praise from others; he will also cry when other babies cry.

3. Nutritional recommendations for 9-month-old baby development

At this stage, the baby’s staple food is breast milk and milk substitute food, and the milk volume is maintained at 600-800ml per day, 3-3 times per day. 4 times.

Babies will drool when they see adults eating and cry to express their desire 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 the baby's weight increases significantly, it is basically due to excessive intake of calories; if the baby's development is delayed, it is likely to be a lack of calories.

Do not reduce your baby's water intake because of the decreasing amount of breast milk or milk powder. Especially in summer, feed 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 if your baby's development indicators are normal. In this way, you can have an understanding of the baby's growth and development. If there are problems with the baby's development, you must take care of them in time.