– 3rd month: Baby begins to learn to smile.
– Months 4-6: Baby really knows how to laugh. The baby can respond to the smile of the other person. Your baby may grin when someone talks to her.
9. Children’s auditory development milestones
Babies can hear sounds from birth. But children are not aware of the levels of sounds and their meanings.
Around 4 months old: Your baby can identify where sounds are coming from. Babies often turn their heads in the direction of the voice. Children start laughing.
– Around 6 months old: Baby begins to learn to select sounds. Your baby can imitate certain sounds, scream for attention, and may vocalize or babble using single or double syllables.
Around 9 months old: Your baby’s hearing is much more developed. Children can recognize some words, such as their own name. Understand the meaning of the sentence “can’t”. Specifically, the child will stop or hesitate when. Children will know how to wave goodbye. Your child can make you feel like he’s listening to someone else’s conversation.
– About 18-24 months old: At this time, the child’s auditory development is at a higher level, the baby absorbs quickly when listening to other people talk. Baby can name common parts of the house.
10. Sight
– In the first week: Baby can only see things within 20-30cm in front of him. Babies this age usually can only focus on things for a few seconds.
– At the end of the first month: The baby can clearly see the parents’ faces. Objects in the horizontal and frontal axis are detected. Babies can move their head and eyes according to the light.
– About 2-3 months old: Look at objects in both vertical and rotational axes in front of the baby. Maintain intense eye contact for longer periods of time.
Around 3-6 months old: Your baby can move his eyes independently of his head. At this time, the baby has better 3D vision and can see further. By 5 months, your baby has better vision and recognizes familiar faces. Baby can recognize colors.
– A 1-year-old baby can see the world, recognize colors, determine distances or track a moving object just like adults. Parents can teach their children to recognize colors on their baby’s wardrobe.
11. Baby starts to eat solids
According to the World Health Organization, the best time to introduce solid foods is when the baby is 6 months old. At this age, babies have enough ability to operate their mouth and tongue to be able to swallow solid foods.
After 7 months, your baby will begin to chew food by moving his jaw muscles and know how to close his mouth when you feed with a spoon.
9 months old baby, mother should practice feeding the baby. At 1 year old, babies can pick up food with their fingers. The mother can feed the baby eggs, drink milk.
12. Sleep affects the development of newborn babies
Adequate sleep helps children develop brains and grow faster. On average, children sleep 16 hours or more each day. Newborns sleep a total of regarding 8 to 9 hours during the day. And total regarding 8 hours at night.
– In the first 2 months, babies often cannot stay awake for 2 hours continuously.
By 6 months of age, most babies can sleep for 8 hours a night or longer.
– At 9 months old: Many children have learned the habit of falling asleep on their own without adult support. At this time, children can sleep continuously for 9-12 hours a night, and sleep time during the day is regarding 3-4 hours.
– By the age of 1, the baby only sleeps 3 hours during the day, at night it increases to 11 hours.
13. Holding objects
Grasping skills are one of the important skills for a baby’s development. Holding objects helps your baby’s hands to use more flexibly. Besides, the baby can hold the food on his own.
– Around 2 months old: Babies know how to make fists. This is the baby’s grasp reflex. The developmental milestones of babies during this period need more attention from parents.
Around 4-8 months old: By 6 months of age, this reflex disappears. Baby can pick up large objects. However, your baby won’t be able to grasp objects as small as a pea, until he develops his fingers will become more dexterous.
– 9-12 months old: Baby’s grasping skills at this stage are greatly improved. By the time your baby is 12 months old, your baby should be able to grip more firmly and know how to hold objects with his thumb and other fingers. In addition, children can firmly grasp a spoon or fork and use it with meals.
14. Baby teeth teething
-7-8 months old: The baby will have the first 2 front teeth in the lower jaw.
– From the 9th month: The baby will have the second upper front teeth.
– Between 12 and 16 months, children will grow 4 lower molars and 4 upper molars.
– From 16 to 20 months old: The baby will continue to grow the lower canine and the upper canine.
– From 20 to 30 months old: Children will fully develop the number of lower and upper molars.
The teething process of an infant will stop around the age of 2, 3 or until the baby has all 20 baby teeth.
15. Expressing affection and developing social skills
Newborns can feel the warmth and familiarity of their parents and surroundings. If the parents comfort them when they cry, the baby will stop crying.
At 2 months old, babies begin to smile at familiar people such as parents, grandparents, or siblings. At 4 months old, your baby can cry when hungry, feel pain somewhere or tired.
At 8-9 months, babies learn how to interact socially. This action is due to imitation of parents. Baby understands that parents give her a sense of security and often cries a lot if she can’t see her parents.
At 18 months: Your baby is starting to express emotions more clearly. Baby hugs her mother, pats her shoulder, and expresses her positive emotions like never before.
The above are the most important developmental milestones in the infancy and early years that normal children will go through. The happiness of parents is to see their children grow up day by day and gradually experience all those exciting milestones. Observe and encourage your child to take turns to do them properly so that he or she grows up with a very healthy, clear body.
According to VK (general) – Vietnamnet