As a parent, it’s normal to notice every little detail about your baby’s growth and development. One concern many parents have is a flat spot on their baby’s head. This condition, called plagiocephaly, is common and often treatable, especially when caught early.
What Is Plagiocephaly?
Plagiocephaly (play-jee-oh-SEF-uh-lee) is a condition where a baby develops a flat spot on one side or the back of the head. It is sometimes called flat head syndrome.
A baby’s skull is soft and flexible to allow for growth and development. Because of this, spending long periods of time in the same position can cause one area of the head to flatten.
What Causes Plagiocephaly?
Several factors can contribute to plagiocephaly, including:
1. Spending Too Much Time on the Back
Since babies should always sleep on their backs to reduce the risk of SIDS, some babies develop flat spots from prolonged pressure on one part of the head.
2. A Preference for Looking One Direction
Some babies consistently turn their head to one side when sleeping, feeding, or playing.
3. Torticollis
Torticollis is a condition where the neck muscles are tight on one side, making it difficult for a baby to turn their head equally in both directions.
4. Limited Tummy Time
Tummy time helps reduce pressure on the back of the head while strengthening important neck and trunk muscles.
5. Positioning Before Birth
Some babies may have head shape differences that begin during pregnancy because of limited space in the womb.
Signs of Plagiocephaly
Parents may notice:
- A flat spot on one side or the back of the head
- One ear appearing slightly farther forward than the other
- A forehead that looks more prominent on one side
- A preference for turning the head in one direction
- Difficulty looking equally to both sides
- Facial asymmetry in more noticeable cases
If you notice any of these signs, it is a good idea to discuss them with your pediatrician or pediatric physical therapist.
How Is Plagiocephaly Diagnosed?
A healthcare provider will examine your baby’s head shape, neck movement, and overall development. They may also look for signs of torticollis or other movement restrictions that could be contributing to the flattening.
Most cases can be diagnosed through a physical examination alone.
How Is Plagiocephaly Treated?
The good news is that many babies respond well to conservative treatment.
Repositioning
Parents can help reduce pressure on the flattened area by:
- Encouraging the baby to look in different directions
- Alternating feeding positions
- Changing the position of toys during playtime
- Increasing supervised tummy time
Physical Therapy
If torticollis or movement restrictions are present, physical therapy can help improve neck range of motion, strength, and symmetry.
A pediatric physical therapist can create a personalized treatment plan and teach parents exercises and positioning strategies to use at home.
Helmet Therapy
In some cases, a cranial molding helmet may be recommended. Helmets are typically considered when flattening is more severe or when conservative treatment has not been effective.
A specialist can determine whether a helmet is appropriate based on your baby’s age and head shape.
When Should You Seek Help?
Contact your pediatrician or a pediatric physical therapist if:
- You notice a flat spot developing.
- Your baby prefers looking in one direction.
- Your baby has difficulty turning their head.
- The head shape seems to be becoming more uneven over time.
Early intervention often leads to the best outcomes and may help prevent the need for more intensive treatment later.
Final Thoughts
Plagiocephaly is a common condition that affects many infants. While it can be concerning for parents, most cases improve significantly with early intervention, repositioning strategies, tummy time, and physical therapy when needed.
If you have concerns about your baby’s head shape or development, don’t hesitate to reach out to a healthcare professional. The earlier concerns are addressed, the more opportunities there are to support healthy growth and development.
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