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A Quick Rundown of Milestones Achieved in 3 Months

Written by Dr. Pulyk Nataliya Omelanivna on Mon, 27 November 2023

Key Highlights

  • Developmental milestones refer to the skills a baby learns as they grow.
  • By the end of 3 months, babies become more active, responsive, and gain better control over their movements.
  • The timing of reaching milestones may vary among babies.
  • By three months, a baby transitions from a newborn to an alert and attentive infant.
  • Average weight gain of 1.5 to 2 pounds per month, a monthly increase in height of about 1 inch, and an increase in head size by half an inch per month.
  • New abilities include encircling with fingers, reacting to loud sounds, and gaining voluntary control over the body.
  • Warning signs indicating potential developmental problems include unresponsiveness to sounds, inability to grasp objects, lack of smiling, difficulty imitating sounds, and issues with eye movement.
  • Other signs include tight fist holding, inability to support the head, feeding difficulties, and persistent crossed eyes. 
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Are You Cheering Every Tiny Thing Your Baby Does?

Have you ever observed how your baby's little fingers encircle you or form fists? Or how does your child react when there is a loud sound? Your baby will have undergone a significant transition by the time he or she is three months old, going from a completely reliant newborn to an alert and attentive infant. The infant gains more voluntary control over her body while losing many of her neonatal reflexes. Let us learn in detail about the baby’s transformation within three months.  

Baby’s Development

Baby’s Development

A three-month-old baby reaches significant milestones. He is no longer a newborn and advances to become an infant.  You will expect a regular sleep pattern, a better feeding schedule, and fun milestones for your baby

Your 3-Month-Old Baby’s Developmental Milestones

Three months is a time when your child is no longer a newborn and has some amazing accomplishments. The sleep routine of your infant becomes more regular. Your baby smiles more often and has a grasp of the objects.

Here are the milestones to look for in 3 months:

1. Movements:  

By 3 months, your little one has better control over his body movements. The movements accomplished by your child at 3 months are:

  • Neck muscles become stronger, so your baby can hold his head erect and turn it side to side while lying on his belly.
  • Your baby can now open or close his hands, bring his hands towards his mouth, and grasp the toys or other objects with his hands.
  • Your baby shows active leg movements and kicks his legs strongly.
  • The baby tries to lift his chest while lying on his tummy and rolls over his back.

2. Hearing and sound:  

Baby will be more alert to his surroundings in three months. The milestones your baby may achieve are:

  • Your baby identifies your voice.
  • The baby immediately turns his head towards the sound.
  • Your baby tries to talk in his own way and reacts by making sounds like cooing, babbling, and gurgling.  
  • Your baby may love hearing music or sounds of rattles and responds to them as well.
  • You can enjoy talking to your baby as now he is responsive and it is also crucial for the development of your baby’s speech.

3. Sight:  

  • When your baby is born, he has blurred eyesight. As your baby grows, the eyesight improves.
  • He starts to understand familiar people or things from a distance.
  • Your infant becomes responsive and smiles more often.
  • He follows the light, moving objects with his eyes.
  • The ability to distinguish colours also develops in a three-month-old. Your child may be more attracted to bright things.

4. Sleep:  

You will get a night of better sleep because:

  • Your baby will sleep through the night or at a stretch of about 6 hours.
  • He plays more during the day and gets tired to get a good night’s sleep.
  • The sleeping pattern of your 3-month-old tends to become regular.

5. Growth:  

While the rate of growth may be different for babies, on average you can expect the growth of your child by:

  • The average weight gain for an infant is about 1.5 to 2 pounds every month for three months.
  • The monthly increase in height is about 1 inch.
  • The head size enhances by half an inch per month.

Signs Of Developmental Problems

Although the rate of development is different for every child, a few signs of delayed development which might indicate a problem requiring medical attention are:

Signs Of Developmental Problems

  • The baby is not responsive to loud sounds.
  • Your infant is unable to grasp or grip any object.
  • He doesn’t smile at you or even the other person.
  • The child can’t imitate the sounds or make his own sounds.
  • The child doesn’t seem to follow moving objects with his eyes or has difficulty moving his eyes in all directions.
  • The child still holds his hand in a tight fist, which is seen in a newborn baby.
  • The child is not able to support his head on his own.
  • It is difficult to feed the child properly.
  • The child keeps his eyes crossed most of the time.

Conclusion

In conclusion, the stages of development may vary to some extent in every child. A child reaches most of these milestones by 3 months of age, some sooner, some later. Reach out to your doctor if you notice any warning sign that indicates the delayed development of your child. 

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Dr. Pulyk Nataliya Omelanivna

Dr. Pulyk Nataliya Omelanivna is an Internal Medical Expert who is based out of Ukraine. With a special interest in internal medicine Dr Pulyk graduated from the Ternopil National Medical Academy in Ukraine, in the year 2001. Between the years 2002-2009, Dr Pulyk worked as an emergency physician. Her years of work as an emergency physician gave her immense exposure to a range of patients and an opportunity to learn on the job, and gather extensive experience.

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Our team of experts frequently monitors developments in the health and wellness field, and we update our articles when new information becomes available.

Current Version

Nov, 27 2023

Written By

Dr. Pulyk Nataliya Omelanivna