Born Early Flat Early – Does Premature Birth Raise the Risk?
October 15, 2026
It is 2:07 a.m. in Royal Oak, and the only light in the nursery is a phone screen.
The baby finally went down. She came home from the NICU five weeks ago, after a long stretch of beeping monitors, feeding logs, and nurses who learned her moods before her parents did. Now her mom stands over the crib, looking at the back of that tiny head and noticing something she can’t unsee. One side looks flatter. Maybe the whole back does. Maybe she’s imagining it.
So, she types the question. Is flat head syndrome related to being born early?
Short answer: yes. Prematurity is a recognized risk factor.
The longer answer is the one worth your time. It’s common. It’s usually very treatable. And the families who do best are the ones who notice early and say it out loud.
This piece is written for two people. The parent who holds the phone at 2 a.m., and the pediatrician who will see that baby at the next well visit. You both want the same outcome. You just need different parts of the story.
WHY PREEMIES ARE MORE VULNERABLE
A newborn’s skull isn’t one solid bone. It’s a set of plates held together by flexible seams, built to compress during birth and expand as the brain grows. In a full-term baby, those plates get the whole pregnancy to firm up.
A baby born early skipped part of that schedule. Her skull bones tend to be thinner and softer, and softer bones take on the shape of whatever it rests against. Think of wet clay versus a fired pot. Same shape on the shelf. Very different story when something presses on it for hours.
Then add the NICU.
Neonatal intensive care saves lives. Full stop. But the conditions that keep a fragile baby stable often mean long stretches in the same position: on the back for breathing support, turned to one side for a tube or a line, propped so a monitor lead stay put. The care is correct. The side effect is that a soft head rests on the same surface, hour after hour, week after week.
Many preemies also start with low neck muscle tone. Turning the head takes strength and practice they haven’t built yet. So the head goes where gravity puts it.
And stays there.
Some of these babies develop torticollis, a tightness in the neck muscles that makes them favor looking one direction. That favorite direction often travels with a flat spot, in preemies and full-term babies alike. Tight neck, favorite side, flat spot. The three tend to show up together.
None of this is anyone’s fault. Not the NICU team’s. Certainly not yours.
THE SHAPES WORTH KNOWING BY NAME
Not all flattening looks the same, and using the right word helps when you sit down with your doctor.
Plagiocephaly is the lopsided version. One side of the back of the head is flatter. Look down from above, and the head can resemble a slightly pushed parallelogram, with one ear or one side of the forehead nudged forward.
Brachycephaly is flattening straight across the back. From above, the head looks wide and short.
Dolichocephaly runs the other way: long and narrow, front to back. It shows up often enough in babies who spent extended time lying on their sides in intensive care that some clinicians informally call it “NICU head.”
Then there’s craniosynostosis, a different animal entirely. That’s when one or more of those flexible seams’ fuses too early. Positioning doesn’t cause it, repositioning won’t fix it, and it calls for a separate medical evaluation, sometimes with a craniofacial team. Sorting one from the other is exactly why you need to talk with your pediatrician.
YOUR BABY HAS TWO AGES
Here’s where preemie parents get tripped up.
Chronological age counts from the day your baby was born. Corrected age subtracts the weeks she arrived early. A baby born eight weeks early who is four months old has a corrected age of about two months.
Why it matters: head control, rolling, and comfort with tummy time track corrected age, not the calendar. Compare your preemie with the neighbor’s full-term baby born the same week and you’ll panic for no reason. Or worse, you’ll assume the flat spot “should be gone by now” and quit working on it, when developmentally she’s only just getting started.
Use corrected age when you read anything about infant head shape. This article included.
WHAT TO TRY AT HOME THIS WEEK
First, the non-negotiable: back to sleep, every sleep. Safe sleep guidance hasn’t changed because of flat heads, and it shouldn’t. Positioning work happens while your baby is awake and someone is watching.
Now, the moves you can start tonight.
Tummy time, early and often. Short sessions count. Recline on the couch and lay her on your chest. That’s tummy time. So is lying across your lap. If she fusses, that’s normal. Try again after the next feed. Little and often beats long and miserable.
Change her view. Babies turn toward the action: the door, the window, your voice. Alternate which end of the crib she turns toward for sleep (still flat on her back), switch the arm you hold her in during feeds, and move toys and the mobile to the side she tends to ignore.
Cut the container time. Car seats, swings, bouncers and loungers all have a purpose. They also press on the back of the head. When she isn’t riding in the car, hold her upright, wear her in a carrier, or give her floor time on a safe surface.
Take one photo a week. Shoot straight down from above her head, same room, same light. Pediatricians love this. It turns “I think it’s worse?” into evidence.
WHEN TO PICK UP THE PHONE
Bring up head shape at every well visit, even if nobody asks. Call sooner if the flat spot is getting worse instead of better, if she always turns the same way or fights turning the other way, if one ear or eye seems out of line with its partner, or if you feel a hard ridge along her skull or notice the soft spot changing. Those last signs aren’t positioning questions. They deserve a prompt look.
“The parents I worry about aren’t the ones who call too early,” says Matt McEwin, clinician at Strive OP, which serves families from Shelby Township to Warren. “They’re the ones who were told to wait and see and then waited a little too long.”
IF YOU’RE THE PEDIATRICIAN READING THIS
Now to the second reader.
You see the NICU graduate at the well visit carrying a stack of risk. Prematurity sits near the top of the list for deformational head shape, alongside torticollis and limited neck rotation, multiple births, male sex, and prolonged supine positioning without enough awake time on the tummy. The preemie often brings several at once: a thinner calvarium, weeks of fixed positioning in the unit, reduced cervical tone, and in some cases motor delays that slow the very milestones (rolling, sitting, holding the head up) that would otherwise take pressure off the skull.
There’s a family factor too. Parents who’ve spent weeks watching oxygen numbers are understandably nervous about putting their baby face down, even awake and supervised. A direct, specific tummy time plan from you carries more weight than a handout.
In the first months, a few habits pay off at each visit. Assess development by corrected age. Look at the head from the vertex, not just the side. Screen cervical range of motion both ways. Check ear and forehead alignment, palpate the sutures, and note the fontanelle.
Classic positional plagiocephaly often looks like a parallelogram from above, with the ear and forehead on the flattened side shifted forward. Lambdoid synostosis can look superficially similar but typically presents differently, with the ear on the affected side displaced backward and a more trapezoid shape, sometimes with palpable ridging. When the exam doesn’t fit the positional pattern, imaging and craniofacial referral come first.
THE REFERRAL PATHWAY THAT KEEPS IT SIMPLE
Most families start in the same place: counseling on repositioning, structured awake tummy time, and less time in containers. Pair any sign of torticollis with a physical therapy referral, since a neck that won’t turn will keep feeding the flat spot no matter how diligent the parents are.
When flattening persists despite good repositioning, or looks moderate to severe at first glance, an orthotic evaluation is the next step. Objective measurement, such as cranial vault asymmetry and cephalic index, gives everyone a baseline instead of a guess.
Here’s the contrast worth weighing. Refer early, and the family walks out with a measured baseline, a clear plan, and a follow-up date. If the shape improves on its own, everyone has proof. If it doesn’t, nobody lost ground.
Wait until the next scheduled visit, and the baby keeps growing in the meantime. That growth is the whole opportunity. Head shape correction, whether through repositioning or a helmet, works with the skull’s growth, and the growth doesn’t pause for the calendar.
For babies who need helmet therapy, clinicians can fit a custom orthosis, such as the Talee cranial helmet, shaped from a scan of the baby’s head and adjusted over time to guide growth into flatter areas. It is worn for much of the day under clinical supervision. Families tend to dread the idea more than the reality.
“When a pediatrician sends us a NICU grad early, we’re having a much easier conversation,” McEwin says. “We measure, we set a plan with the family, and a lot of the time the plan is tummy time and a recheck.” [PLACEHOLDER QUOTE: requires Matt McEwin’s review and approval before publication]
That’s the message worth giving an anxious parent: an evaluation isn’t a sentence to a helmet. It’s information.
WHAT DOESN’T CHANGE
A flat spot from positioning is a shape issue. Current understanding is that deformational plagiocephaly by itself doesn’t damage the brain. Parents hear “head” and “NICU” in the same sentence and their minds go straight to the worst place. Say this plainly, early in the visit, and the rest of the conversation goes better.
What can be linked, though, is the company it keeps. The same low tone or motor delay that contributed to the flat spot may need its own attention. So the head shape check becomes a useful window into the broader developmental picture, which NICU follow-up is already watching.
BACK IN ROYAL OAK
It’s morning now. The coffee is on. The baby is lying on her mom’s chest on the living room couch, lifting her head for about two seconds at a time, then face-planting into a burp cloth. That counts.
Mom took the photo. Straight down, kitchen light, same as she’ll do next Tuesday. She’s written two questions on the back of a pharmacy receipt for the pediatrician: Is this positional? Should we get it measured?
Those are exactly the right questions.
Being born early raised her baby’s odds of a flat spot. It didn’t decide the outcome. The weeks ahead do, and those weeks belong to the parents and the doctors paying attention.
About Strive Orthotics & Prosthetics
Strive is Michigan’s only pediatric-specialized orthotics and prosthetics clinic. Our lead pediatric specialist is trained at the Children’s Hospital of Philadelphia (CHOP) and Gillette Children’s Specialty Healthcare. We’re independent, family-run, and located right in Shelby Township—so Macomb County families get nationally credentialed pediatric expertise without driving across the metro.
Cranial helmets, SMOs, AFOs, scoliosis bracing, pediatric prosthetics. Free evaluations. Most insurance is accepted.
50714 Van Dyke Avenue, Shelby Township | 586-803-4325| striveop.com
* This story is a composite drawn from real patient journeys. Names and details have been changed to protect privacy.
