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Plagiocephaly and the Beautiful Promise of Tomorrow 

May 28, 2026

The first thing Sarah Moore noticed was the pillow.

Not the head. The pillow.

Her son Conner was four months old, and the soft cotton crib pillow she’d been told never to use — the one she didn’t use — somehow seemed to have left an impression anyway. The back of his head, just behind the right ear, had gone flat. Not subtly flat. Flat like a shelf. Flat like someone had pressed a paperback against his skull while he slept and forgotten to take it off.

She’d been staring at the top of that head for sixteen weeks. Kissing it. Cupping it in the dark at 3 a.m. feedings. And somehow she hadn’t seen it until that Tuesday morning in October when she leaned over to lift him from the bouncer and the light hit just right.

“Tom,” she said, not loud. “Come look at this.”

Her husband came in from the kitchen, coffee in hand, and tilted his head the way he tilts it when he’s trying not to react. He didn’t react. That’s how she knew.

The pediatrician’s office in Rochester looks like every pediatrician’s office in America. Fish tank. Laminated growth charts. A wall decal of a giraffe smiling for reasons no giraffe in nature has ever smiled. The Moores sat in the small exam room with Conner on the crinkly paper, kicking his legs, oblivious.

Dr. Michaels ran her fingers across the back of his skull the way you’d test a melon for ripeness. Then she ran them across the front. Then she measured. Then she measured again.

“It’s called plagiocephaly,” she said. “Positional. Pretty common. We see it a lot.”

The word landed like a foreign coin in Sarah’s palm. Plagio — Greek for oblique, slanted, off-axis. Cephaly — head. A slanted head. Her son had a slanted head and there was a Greek word for it, which meant other parents had sat in this exact chair before her, hearing this exact word, and that should have been comforting. It wasn’t.

What it was, was this: every grandmother in Sarah’s life had spent four months telling her the head would round out on its own. Her mother. Tom’s mother. The neighbor with three grown sons. The woman at church who held Conner too long. They all flatten out, honey. Mine did. They all do.

Dr. Michaels was not saying that.

Dr. Michaels was saying: Physical therapy first. Reposition aggressively. More tummy time. Alternate the direction he faces in the crib. Recheck in six weeks. And if it hasn’t responded — if — we’ll talk about a helmet.

A helmet. On her baby. The word sat there on the exam table next to Conner’s bare feet, and Sarah felt the floor shift about half a degree.

Here’s what I keep coming back to, six months into reporting this story across Metro Detroit and a dozen families.

Plagiocephaly is not new. Babies have had asymmetrical heads since they have had heads. What’s new is how many of them have it, and that number traces back to one of the great public health victories of the modern era — a campaign called Back to Sleep, launched in 1994, that urged American parents to stop putting their infants face down in the crib. SIDS deaths fell by more than half within a decade. Tens of thousands of babies are alive today because of it.

And a lot of those babies have flat spots.

It’s the trade-off no one in the pamphlets ever spelled out. Soft skulls plus stationary backs equals pressure in the same place, night after night, for the first months of life, when bone is still essentially clay. The math is brutal, and the math is just math.

By some estimates, nearly one in two infants now shows some degree of positional flattening. Most of it resolves. Some of it doesn’t. And the parents in the doesn’t column find themselves, like the Moores, in a Shelby Township orthotist’s office six months after having their child.

The Moores did everything Dr. Michaels said. For six weeks, Sarah ran the house like a small clinical trial. Tummy time three times a day, even when Conner screamed and arched his back like he was being asked to do calculus. The crib direction flipped every night. The car seat angled differently. The bouncer retired entirely. She bought a special pillow, then read the warnings, then returned it.

At the six-week recheck, Dr. Michaels measured again.

“Better,” she said. “But not enough.”

She wrote a referral to a cranial orthotist. Sarah cried in the parking lot — not hard, just the slow leak kind, the kind you don’t notice until it’s on your jaw. Tom drove them up Woodward toward home. Conner slept in the back seat with his head, as always, tilted just slightly to the right.

The fitting room was bright and aggressively cheerful. Posters of toddlers in helmets covered in dinosaur stickers, butterfly stickers, Red Wings logos, and one with the entire periodic table. Matt McEwin, who owns Strive OP in Shelby Township and has been fitting these helmets longer than most parents in the room have been parents, talked to Conner the entire time he worked, narrating like a flight attendant. Now we’re going to put this funny sock on your head. Now Mom’s going to hold your hands. Now I’m going to use this scanner that looks like a hair dryer.

Sarah held her son’s hands. She watched the scanner pass over his skull and map it onto a screen, and she watched the screen draw a perfect 3D model of her baby’s asymmetry — the flatness on the right rear, the corresponding bulge on the right forehead, the slight tilt of the ears. Plagiocephaly looks, on a screen, like a parallelogram pretending to be a square.

Insurance, she learned, would cover most of the cost of the helmet. He would wear it for 23 hours a day for 3 to 4 months. Bath time off. The rest of the time on.

“It doesn’t hurt them. I promise,” Matt said, reading Sarah’s face. “It’s not squeezing the skull — it’s just guiding it. Where there’s space, the head grows into the space. That’s the whole science, and that’s why timing matters more than anything else we do here.”

The helmet arrived on a Thursday. Royal blue, with a constellation of small white stars that Tom had requested without telling Sarah. Conner looked, when they first put it on him, like the world’s smallest astronaut. He looked confused for about ninety seconds. Then he reached for a toy and forgot.

That was the part no one had warned them about. How quickly the baby adjusts. How completely the parent doesn’t.

For the first week, Sarah took the helmet off every hour to check his scalp for redness, the way you’d check a soufflé you weren’t sure would rise. By week three, she barely thought about it. By week six, when a stranger at the Meijer in Royal Oak said, “Oh, the poor thing, what happened?” Sarah was surprised to find she had an answer ready and no defensiveness behind it.

Nothing happened. He’s just growing into it.

She meant the helmet. She also, she realized later, meant herself.

Conner finished treatment in April. The final scan showed symmetry within normal range — not perfect, because no skull is, but within the range that means he will go through the rest of his life with a head that looks, to everyone who meets him, like a head.

Sarah keeps the helmet on a shelf in the closet. She isn’t sure why. She isn’t sentimental about it, exactly. But it sat on her son for four months of his one and only infancy, and throwing it away felt like throwing away a chapter she was still figuring out how to read.

If you’re a parent reading this with a four-month-old and a creeping suspicion, here is what I learned from the Moores and from every family I spoke to after them. Trust the suspicion. Ask the pediatrician directly — directly — to measure. Don’t let anyone, however loving, tell you it’ll round out on its own, because sometimes it does and sometimes it doesn’t, and the window for easy correction closes faster than you think.

“The parents who come to us at four or five months have every option in the world,” Matt McEwin told me, standing in the Strive OP fitting room one afternoon between appointments. “The parents who come at ten months are still good candidates, but they’ve lost runway. Bone is a clock. Nobody tells new parents that, and they should.”

Eleven months is roughly when the skull stops being clay. Before that, you have options. After, fewer.

And if the helmet comes, it isn’t the worst thing. It’s just a Tuesday morning, with the light hitting just right and the slow work of a parent 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.