Helmet Therapy
My Baby’s Head Shape Looks Uneven: Causes and Treatment Options
Learn why infant head shape can look flat or asymmetric, what repositioning and tummy time can help, and when helmet therapy may be discussed with your clinician.
A baby’s skull continues to shape for some time after birth. In some cases, the head may look uneven or asymmetric. So—can this improve, and which approaches may help?
My Baby’s Head Looks Uneven—Will It Improve?
Infant skull bones are not fully fused yet, so they remain flexible. Shape differences may appear from preferential side-lying or from pressure during birth. When noticed early, appropriate positioning and care approaches can often help improve symmetry.
What Can Help a Baby’s Head Shape Develop More Evenly?
If you notice unevenness in your baby’s head shape, you can try the following under safe-sleep guidance:
- Tummy time: Supervised tummy time for about 30 minutes a day (spread across the day) can reduce pressure on the back of the head and support more balanced shaping.
- Vary sleep orientation: Changing the direction your baby faces in the crib (while still always placing them on their back to sleep) can reduce constant pressure on one area.
- Carrying positions: Avoid always carrying in the same orientation; rotating positions may help limit progression of flattening.
Do Infant Head Shape Differences Resolve?
Head shape can continue to remodel from birth through about 18 months. Mild differences often improve on their own. For more noticeable asymmetry, consulting a clinician is important.
Until When Does a Baby’s Head Keep Shaping?
Skull growth is fastest between 0 and 6 months, and shape change is most responsive then. Because bones continue toward fusion through about 18 months, earlier evaluation is preferred when concerns persist.
What Is Helmet Therapy?
When head shape differences are more advanced, clinicians may recommend helmet therapy. Custom cranial orthoses are designed to guide more even head growth. Treatment often begins around 4–6 months of age and is commonly used for about 3–6 months. The HKM Pro cranial helmet is fitted only at CranioWell Orthotics & Prosthetics Centers.
Common Causes of Infant Head Shape Differences
- Positional pressure: Spending long periods in the same position.
- Premature birth: Bones that are less mature at birth.
- Birth-canal pressure: Molding during a more difficult delivery.
- Torticollis (tight neck muscles): Preference for turning the head mainly to one side.
Summary
If you notice irregularity in your baby’s head shape, early evaluation with a clinician is the most reliable next step. Helmet therapy (fitted at CranioWell Orthotics & Prosthetics Centers when indicated), repositioning, and physical therapy can help support more balanced head symmetry.
