SuperBottoms Admin

3-Month-Old Baby: Growth & Developmental Milestones of a Baby

At 3-months, a baby completes a quadrant of its first year of life. What a splendid achievement! Three months is when your little one starts to take longer naps, sleep tight at night, smile a lot and is a fun partner to be around! 

At this stage, things start to get easier for most parents. You get habitual to living with your new family member.  As well as your 3-months baby starts to form an attachment with its caretakers. It also understands certain actions and reacts to them with adorable gestures. Still, there are challenges that parents face with their growing baby. From nutrition to sleep to baby care and health. That’s where the need to keep a close eye on your baby’s activities and behaviors is necessary. 

Let us look at various important aspects of a 3-month old baby's developmental milestones as well as health and baby care tips. 

3-Month Baby Developmental Milestones & Activities

A 3-month baby is said to be at a turning point in its life. It is when the baby starts to gain more control of its head, hands, and legs. You may also notice your 3-month-old baby moving its limbs agilely. Although it is incapable of moving vigorously, you need to keep a watch and put safety first.  

As a parent, you need to know when and what activities your baby does. So here's what all to expect this month.

  • ▪ Lift their head and limbs when lying on their belly 
  • ▪ Smile often and even chuckle 
  • ▪ Can anticipate being picked up when the baby sees you reach out
  • ▪ Try to reach out to objects/toys and dangle them once held
  • ▪ Imitate your movements, voice, and facial expressions
  • ▪ Recognize familiar people
  • ▪ Follow vibrant and moving objects
  • ▪ Have a good playtime with familiar people 
  • ▪ Cry for something that’s not being given

In case you are concerned about your 3-month baby not striking some significant developmental milestones, or is inactive, get a consultation from your child’s doctor. Be sure of your baby’s progress activities and behaviors.

3-Month Baby Growth 

You may find it surprising to notice the speedy growth and changes every day in your 3-month-old baby. But that’s just a normal growth pace for babies. From newborn to an infant, it has probably outgrown its cute little newborn clothes and has gained some charming fat, especially on the belly and the chubby cheeks! 
Talking about the size and weight on average, baby boys are recorded to be slightly larger than baby girls. 

  • ▪ A 3-month baby girl’s height may be anywhere between 21.96 inches to 25.11 inches & weight between 4.6 kgs to 7.4 kgs 
  • ▪ whereas a 3-month baby boy’s height may be between 22.6 inches to 25.7 inches and weight between 5.1kgs to 7.9 kgs

Your baby may be slightly larger or smaller than the average count and that’s certainly normal. However, if there is a significant difference, you must take an opinion from your child’s doctor.

3-Month Baby Food & Nutrition

Breastfed babies at the 3-month of age should eat as much as they want. But naturally, they don’t eat as frequently as when they were newborns. Generally feeding them 8 times in 24 hours is a good practice, but some babies may want more depending upon their hunger and capacity. 

Formula-fed babies must be fed every three to four hours with 4 ounces to 6 ounces per feeding. But again, your baby may require less or more depending upon how hungry it is. It is best to feed your baby according to its huger signs.  

It is widely believed and accepted that breast milk is the best feed for your baby ranging from 0 to 6 months. But some mothers cannot produce enough breast milk for their newborns. In these cases, choosing the right feed formula for your baby is necessary. 

3-Month Baby Sleep 

For many new parents like you, there may be a constant struggle for achieving a good night's sleep. You may be reminiscing about the days you had slept well. 

But as your baby enters the second quarter of its first year, it tends to take more night's sleep. On average, a 3-month baby sleeps for 10 hours to 11 hours at night and around 5 additional hours divided into two to three daytime naps(1). 

It is a comforting stage for most parents as their 3-month baby starts to give them a sound stretch at night. But the baby may also wake up throughout the night. However, it is completely normal for your baby to take time till 6 months for picking up a good sleep schedule.
Tip: Learn about the techniques to help your baby sleep better!

3-Month Baby Common Health Problems 

Babies are sensitive by birth and are vulnerable to contracting infections easily. Being a parent, you must be aware of the common health problems that your baby can catch and solutions to them. 

What’s most common for a 3-month old baby to be affected by is cough & cold. A runny nose, sneezing, and coughing frequently could be the basic symptoms. Call your child’s doctor if you are concerned.

Some more common ailments that need to be addressed and require a doctor's opinion include 

  • ▪ fever above 100.4°F (38°C)
  • ▪ frequent vomiting even after burping
  • ▪ abdominal irritability due to gas or constipation
  •  green poop
  • ▪ skin rash due to diaper wetness
  • ▪ difficulty breathing

These ailments in babies are easily treatable. Even healthy babies may catch them. You hopefully will not have to deal with any serious illness or health conditions in your baby. 

What Else About a 3-Month Baby?

All babies may or may not reach the typical 3-month milestones. They may differ in a lot of aspects. That’s because all babies are different and every baby is unique. 

You need not be concerned as long as your baby is developing well and is reaching certain milestones in a fair amount of time. However, follow up with your pediatrician if your baby is experiencing any kind of physical or mental developmental delay.

Common Questions Parents Ask

Q1. What all can my 3-month old baby eat?

Babies at the age of 3 months should only be consuming breastmilk or formula. Solid or semisolid foods should not be given to your 3-month-old baby.

Q2. Within how many hours should I feed my 3-month baby?

A 3-month baby requires food every 3 to 4 hours. But it entirely depends on how hungry your baby is. So, it’s always better to feed your baby based on its hunger cues.  

Q3. How many times should my 3-month baby nap during the daytime? 

Taking 3 to 4 daytimes naps for around 5 hours collectively is healthy for a 3-month old baby.

Leave a comment

Please note, comments need to be approved before they are published.