There is no single age at which every child with cerebral palsy is diagnosed.
Some babies are identified as being at high risk very early, while other children receive a diagnosis later as differences in movement and development become clearer.
Why Diagnosis Can Take Time
Babies develop rapidly during their first years.
Some features associated with cerebral palsy may not be clear until a child reaches the age when they would usually begin sitting, crawling, standing or walking.
Doctors may therefore monitor a child's development over time rather than making an immediate diagnosis.
What Happens During Assessment?
Healthcare professionals may look at:
- developmental progress
- muscle tone
- posture
- reflexes
- coordination
- movement patterns
- medical history.
Specialist investigations such as brain imaging may sometimes form part of the assessment.
Does a Late Diagnosis Mean Cerebral Palsy Developed Later?
Usually, no. Cerebral palsy results from a problem affecting the developing brain before, during or shortly after birth.
A later diagnosis generally means the effects became clear enough to identify later—not that the cerebral palsy suddenly developed at that age.
Waiting for a Diagnosis
Uncertainty can be difficult for parents.
You do not necessarily have to wait for a final diagnostic label before discussing your child's developmental needs with professionals.
Where appropriate, therapy and developmental support can focus on the difficulties your child is experiencing.
What Happens Once Cerebral Palsy Is Diagnosed?
Following diagnosis, healthcare professionals can discuss your child's individual needs and appropriate support.
This might involve physiotherapy, occupational therapy, speech and language therapy or other specialists.
Our What to Do After Diagnosis page explains the practical next steps.
Sources and further information
Useful websites
- NHS: Cerebral palsy
Overview of cerebral palsy, symptoms, causes, treatment and support.
- NHS: Cerebral palsy diagnosis
Information about assessments, scans and other tests.
