4 month old infant milestones
4 month old infant milestones
Your baby is 4 months old, and what an exciting time it is! From playful babbles to new physical skills, your little one is growing and changing so quickly. Let’s look back at their latest achievements, prepare for upcoming milestones, and ensure you’re ready for the next steps in their health journey.
Your baby is 4 months old, and what an exciting time it is! From playful babbles to new physical skills, your little one is growing and changing so quickly. Let’s look back at their latest achievements, prepare for upcoming milestones, and ensure you’re ready for the next steps in their health journey.
Author
Dahlia Rimmon, RDN
Content Writer
Medically reviewed by
Dr. Ali Alhassani
Pediatrics and Sleep Training Expert
3 things you’re probably seeing this month
Is that a laugh? 😆
Yes! Those giggles are a sign of social and emotional growth. Play peek-a-boo or make silly noises to keep the laughter going.
See your baby rolling ☀️
Rolling from tummy to back (or back to tummy) might be their newest skill, and marks a leap in motor development.
Everything goes in the mouth 😬
Your baby is exploring the world through their senses, especially taste. Oral exploration is normal and helps them learn about objects around them.
What’s coming up in month 5?
More active play 🧸
Your baby will start reaching for and grabbing toys with greater accuracy. Provide safe objects to explore.
Strengthening core muscles 💪
Expect them to push up more during tummy time, a precursor to sitting up on their own.
Increased Babbling 💬
You’ll hear more consonant sounds like “ba” or “da” as they experiment with their voice.
Proactive Tip: Encourage tummy time and offer toys that make noise to keep your baby engaged while strengthening their muscles.
Vaccines & well-child visits
Staying on top of well-child visits and vaccines is key. Here’s what is coming up:
The 4-month well-child visit:
This checkup includes:
Tracking your baby’s growth (weight, length, and head circumference)
Monitoring developmental progress
Discussing sleep, feeding, and behavior
Your baby will receive the second dose of these vaccines:
DTaP (Diphtheria, Tetanus, and Pertussis)
Hib (Haemophilus influenzae type b)
IPV (Polio)
PCV13 (Pneumococcal)
Rotavirus
Tip: After vaccines, mild fussiness or a slight fever is common. Have infant acetaminophen ready, and text a Summer Health pediatrician with any questions.
Parenting a 4-month-old can be incredible, but is not without its challenges. We’re here for you!
Questions about vaccines or milestones? Get quick answers from our pediatricians, 24/7.
Curious about rolling or babbling? We’ll help you navigate every stage with confidence.
Ask a pediatrician now to get answers to all your questions!
Each giggle and milestone is a reminder of how fast the seasons of parenthood are going. We’re here to support you through every step, so cheers to month 5 and all it will bring. 💛
3 things you’re probably seeing this month
Is that a laugh? 😆
Yes! Those giggles are a sign of social and emotional growth. Play peek-a-boo or make silly noises to keep the laughter going.
See your baby rolling ☀️
Rolling from tummy to back (or back to tummy) might be their newest skill, and marks a leap in motor development.
Everything goes in the mouth 😬
Your baby is exploring the world through their senses, especially taste. Oral exploration is normal and helps them learn about objects around them.
What’s coming up in month 5?
More active play 🧸
Your baby will start reaching for and grabbing toys with greater accuracy. Provide safe objects to explore.
Strengthening core muscles 💪
Expect them to push up more during tummy time, a precursor to sitting up on their own.
Increased Babbling 💬
You’ll hear more consonant sounds like “ba” or “da” as they experiment with their voice.
Proactive Tip: Encourage tummy time and offer toys that make noise to keep your baby engaged while strengthening their muscles.
Vaccines & well-child visits
Staying on top of well-child visits and vaccines is key. Here’s what is coming up:
The 4-month well-child visit:
This checkup includes:
Tracking your baby’s growth (weight, length, and head circumference)
Monitoring developmental progress
Discussing sleep, feeding, and behavior
Your baby will receive the second dose of these vaccines:
DTaP (Diphtheria, Tetanus, and Pertussis)
Hib (Haemophilus influenzae type b)
IPV (Polio)
PCV13 (Pneumococcal)
Rotavirus
Tip: After vaccines, mild fussiness or a slight fever is common. Have infant acetaminophen ready, and text a Summer Health pediatrician with any questions.
Parenting a 4-month-old can be incredible, but is not without its challenges. We’re here for you!
Questions about vaccines or milestones? Get quick answers from our pediatricians, 24/7.
Curious about rolling or babbling? We’ll help you navigate every stage with confidence.
Ask a pediatrician now to get answers to all your questions!
Each giggle and milestone is a reminder of how fast the seasons of parenthood are going. We’re here to support you through every step, so cheers to month 5 and all it will bring. 💛
Summer Health offers fast and reliable pediatric urgent care through online doctors, all via text. Whether you’re worried about your baby's fever, rashes, or other children's health concerns, we provide expert advice and support anytime, right from your phone.
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