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Children born preterm make up a strikingly large share of the families who reach us. Here is what the connection is, and what parents of preemies should know.
If your child was born early, you already know that the first weeks and months can be their own kind of marathon. What is less often talked about is what comes after, once the NICU is behind you and your child is home and growing, and the question quietly shifts from survival to development.
One of the most striking patterns in our 2026 State of Pediatric Development data is how common a premature start is among the children who come to us. In our patient population, the share of children born preterm is roughly twice the national rate. Prematurity is one of the strongest threads running through the families who seek developmental support, and it deserves a clear, calm conversation rather than alarm.
Why prematurity and development are connected
A full-term pregnancy gives a baby's brain and body a specific, important window of development in the final weeks before birth. When a baby arrives early, some of that development continues outside the womb, in a very different environment than the one biology was expecting. This does not mean a premature baby is destined for difficulty. Most children born preterm grow and develop beautifully. But as a group, children born early carry a somewhat higher likelihood of developmental differences across exactly the domains that pediatric therapies address.
That can show up as delays in motor milestones, the gross motor skills that physical therapy supports. It can show up in feeding and, later, in speech and language. It can show up in sensory processing and regulation, the areas occupational therapy addresses. The earlier and smaller a baby was at birth, generally speaking, the more worth watching these areas are.
None of this is destiny. It is a reason for attention, not for fear.
The thing every preemie parent should know: adjusted age
One of the most important and most frequently misunderstood ideas for parents of premature children is adjusted age, sometimes called corrected age.
If your baby was born two months early, then for the purposes of developmental milestones in the first couple of years, you generally count from your due date, not your birth date. A baby born two months early who is six months old by the calendar is, developmentally, much more like a four-month-old. Expecting them to hit a six-month milestone on the calendar schedule sets up worry that may not be warranted.
This matters enormously, because it changes what counts as on track. Many parents of preemies spend the early months comparing their child to full-term babies of the same calendar age and feeling a low hum of panic. Adjusting for prematurity often dissolves that panic, because the child is right on track for their adjusted age. Most clinicians adjust for prematurity until around age two.
When watching becomes acting
So how does a parent of a premature child know when a difference is worth acting on, rather than simply giving development more time?
A few signals are worth paying attention to. A delay that persists or widens even after adjusting for prematurity is more meaningful than one that is closing. A milestone that is significantly behind the adjusted-age expectation, rather than slightly behind, deserves a closer look. And a parent's persistent sense that something is not quite right, even when they cannot name it precisely, is worth taking seriously, because parents of preemies are often very attuned observers of their children.
The reassuring part is that early support, when it is needed, works especially well in these early years, when development is moving fastest. Acting early is not an overreaction for a child born early. It is exactly the situation where early support tends to pay off most.
What to do
If your child was born preterm, a few practical things help. Keep track of both their calendar age and their adjusted age, and use the adjusted age when you think about milestones in the first two years. Make sure your pediatrician knows the full story of the birth, including how early and how small your baby was, so that screening can account for it. And if a developmental concern persists after adjusting for prematurity, ask about an evaluation rather than waiting for it to resolve on its own.
Most children born early catch up and thrive. For the smaller group who need a hand along the way, the support is most powerful when it comes early, and prematurity is one of the clearest reasons to keep a watchful, informed, unworried eye on a child's development.
Coral Care provides pediatric occupational, physical, and speech therapy delivered in person, in your child's own environment, in network with major commercial insurance, with no diagnosis required to start. The full 2026 State of Pediatric Development report is available at joincoralcare.com.
This article is general information and not medical advice. For concerns about your child's development, talk with your pediatrician or a licensed therapist.
Frequently Asked Questions
A few signals are worth attention: a delay that persists or widens even after adjusting for prematurity, a milestone that is significantly rather than slightly behind the adjusted-age expectation, and your own persistent sense that something is not quite right. Early support works especially well in these early years, so if a concern remains after adjusting for prematurity, ask about an evaluation rather than waiting.
As a group, yes. In our patient population the share of children born preterm is roughly twice the national rate. A premature start carries a somewhat higher likelihood of differences in motor milestones, feeding and speech, and sensory processing and regulation. This is a reason for informed attention, not fear, since most children born early grow and develop beautifully.
Adjusted age, sometimes called corrected age, means counting from your due date rather than your birth date when you think about developmental milestones. A baby born two months early who is six months old by the calendar is developmentally more like a four-month-old. Using adjusted age often dissolves unnecessary worry, because the child is right on track for their adjusted age. Most clinicians adjust until around age two.
