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A lot changes in your baby\u2019s first few months. A newborn who once spent much of the day sleeping, feeding, and settling into your arms may soon be smiling back at you, following movement with their eyes, reaching for toys, and experimenting with new sounds.<\/p>\n
That pace of change is one reason baby milestones are helpful. They give you a general sense of what development may look like over time. They are not deadlines, though, and they should not be used to compare your baby with someone else\u2019s.<\/p>\n
The CDC uses milestone checkpoints at 2, 4, 6, 9, and 12 months. Between those ages, you may notice new abilities gradually emerging as your baby gains strength, coordination, awareness, and confidence interacting with the world.<\/p>\n
During the newborn stage, much of your baby\u2019s movement is reflexive. Head control is limited, and their days revolve around basic needs such as feeding, sleeping, being held, and responding to touch and sound.<\/p>\n
By about 1 month, you may notice your baby spending a little more time awake and alert. They may watch your face, respond to familiar voices, bring their hands near their mouth, or move their arms and legs more smoothly.<\/p>\n
Around 2 months, common milestones include:<\/p>\n
These early milestones may not seem dramatic, but they show how quickly your baby is becoming more aware of the people and activity around them.<\/p>\n
Around 3 months, many babies become noticeably more expressive. You may hear more cooing, see more social smiles, and notice smoother arm and leg movements.<\/p>\n
Your baby may also begin opening their hands more often, swiping toward nearby objects, and lifting their head and chest more steadily during tummy time.<\/p>\n
By about 4 months, common milestones include:<\/p>\n
This is often the point when interaction starts to feel more clearly two-way. Your baby is not simply noticing you. They are beginning to respond to you more intentionally.<\/p>\n
Around 5 months, your baby may become much more interested in objects they can reach, hold, shake, and bring to their mouth.<\/p>\n
You may also notice stronger trunk control. Some babies begin rolling during this period or sitting with support. Others take longer before either skill becomes a regular part of their day.<\/p>\n
By 6 months, many babies are working on skills such as:<\/p>\n
If you are wondering what milestones your baby should reach by 6 months, think of this age as a useful developmental checkpoint rather than a test. Your pediatrician can help you interpret your baby\u2019s progress in the context of their overall health and development.<\/p>\n
As sitting becomes steadier, your baby may have a completely different view of the room.<\/p>\n
Around 7 months, they may transfer toys between their hands, sit for longer periods, and become more deliberate about reaching for objects. Some babies begin to crawl at this stage, but it is not considered a milestone.<\/p>\n
At 8 months, movement can become particularly interesting. Some babies roll to get where they want to go. Others scoot, creep on their stomach, rock on hands and knees, or begin crawling. There is no single required route.<\/p>\n
By 9 months, common milestones include:<\/p>\n
Your baby may also become more determined about reaching something that catches their attention, which can make safe floor space increasingly important.<\/p>\n
By 10 months, you may notice your baby becoming more purposeful about how they move and communicate.<\/p>\n
They may imitate simple actions, gesture toward what they want, manipulate toys more precisely, and experiment with different ways to reach an object.<\/p>\n
Around 11 months, some babies begin pulling up frequently or moving along furniture while holding on. Others still prefer crawling, scooting, or another form of mobility. Babbling may become more varied, and familiar words and routines may clearly mean something even before your baby can say much themselves.<\/p>\n
By 12 months, common milestones include:<\/p>\n
Independent walking is not required by the first birthday. Some babies walk earlier, while others need more time.<\/p>\n
Two babies can be the same age and be working on very different things.<\/p>\n
One may be eager to move across the room while another seems much more interested in sounds, faces, and social interaction. A baby can also reach one milestone early and another later.<\/p>\n
That variation is part of why milestone charts are best used as references. They can help you notice development over time, but they are not a ranking system.<\/p>\n
Earlier does not automatically mean better, and later does not automatically mean there is a problem.<\/p>\n
You do not need to turn your baby\u2019s day into a series of developmental exercises.<\/p>\n
Simple experiences offer plenty of opportunities to practice emerging skills. Supervised tummy time and floor play allow your baby to move freely. Reaching for a toy can challenge coordination. Talking during a diaper change or reading together gives your baby chances to hear language and respond.<\/p>\n
Predictable routines also matter. Babies learn a great deal from ordinary moments that happen again and again.<\/p>\n