Your baby is now four months old, and she’s becoming more and more of a little person. Each day she learns something new, and the four-month baby milestones are coming fast and furious!
As she gets older, it’s plain to see how quickly she’s growing and changing. Physical development in children is often easiest to measure, but she’s learning a vast amount in a handful of different developmental areas.
4 Months Baby Developmental Checklist
By four months old, your baby will likely be developing the following developmental milestones:
She’ll be holding her head steady unsupported, pushing her legs down when her feet are on a hard surface, be able to hold and shake a toy, and push up to her elbows when lying on her stomach. (Is there anything cuter than baby pushups?)
Socially / Emotionally:
She’ll be smiling spontaneously, like to interact with people, and copy some facial expressions and movements (like sticking her tongue out or smiling).
She’ll let you know if she is happy or sad, she responds to affection, and reaches for toys. She has an intense gaze, watching objects closely as the move side to side, studying faces and recognizing people and things from a distance.
Your baby is babbling up a storm – even though you might not know what she’s saying! She uses expression in her voice and tries to copy sounds she hears. Her cry now sounds different when she’s hungry, tired, or in pain.
[Adapted from the CDC]
To support the development of these milestones, hold your baby as she presses down with her feet, testing out those strong little legs. Continue having conversations with your baby, they might begin to feel less one-sided now as she begins to coo and gurgle back! Explain what you’re doing as you change her diaper or prepare a meal, and play different types of music to expose her to different sounds and rhythms.
Babies this age love peek-a-boo, so take advantage of their delight in seeing you disappear and reappear – you might even get a few giggles. Offer toys and allow her to reach for her favourites, and provide a hanging mobile or play gym that she can reach and grasp.
Building up a routine allows your baby to experience familiar sights, sounds, and people. Baby play groups or mother’s groups are a great way to do this.
Recognizing Developmental Delays
It’s normal for babies to hit milestones at slightly different times – some children are stronger in physical development and others more verbal, for example – but if, at four months old, your baby isn’t smiling, looking at things when they move, making sounds, putting things in her mouth or pushing her feet into hard surfaces, it’s a great idea to check in with your pediatrician. They’ll be able to tell you whether your baby is just taking things in her own time, or may need a little extra attention.
Find out the links by specific week of your baby’s holistic development
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