Growth and development milestones
A general guide to what doctors usually check for at each age, and why the range of "normal" is wider than most parents expect.
Before you read this
This is general information about childhood growth and development. It is not an assessment of any particular child. Milestones are commonly reached across a range of ages, not on a single date, and a doctor who has actually seen your child is the one who can say whether their own pace is expected.
What a growth check usually covers
A routine check generally records weight, height or length, and head circumference in infancy, plotted against a standard growth chart over time. A single measurement matters less than the trend across several visits — a child tracking steadily along their own curve is generally a more reassuring sign than any single number on its own.
The first year
In the early months, development is usually tracked through things like head control, rolling over, sitting without support, and beginning to babble or respond to sounds and faces. Most babies reach these in roughly the first six to nine months, though the range across which "usual" falls is genuinely wide.
One to three years
This stage usually covers walking, then running; first words, building toward short sentences; and early independence — feeding themselves, pointing at what they want, starting to follow simple instructions. Language in particular develops at very different paces between children who are otherwise both developing typically.
Three to five years
By this stage, checks generally look at more complex speech, social play with other children, basic self-care such as dressing with some help, and early motor skills like hopping or catching a ball. This is also commonly when a doctor asks more directly about behaviour and social interaction, since that is when differences become easier to observe.
Why the range of normal is wide
Two children can reach the same milestone months apart and both be entirely typical. Growth charts and milestone lists describe a population, not an individual child, which is why a doctor looking at your child's own trend over several visits is a better guide than comparing against a single average.
When it is worth asking sooner
A wide range does not mean nothing is ever worth flagging. Losing a skill a child previously had, or a milestone that is significantly behind for their age rather than simply on the later side of usual, is generally worth raising at the next visit rather than waiting to see if it resolves on its own.
If you have a question about your own child
General paediatric care and consultations, including growth and development checks, are what Dr Deepak Ahuja's clinic in Sector 43, Gurugram offers.
Ask a question about your child's development See age-by-age care
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