A range of maternal medical conditions is associated with
cerebral palsy. These include intellectual disability , seizures
and thyroid disease.
Paternal and sibling factors Paternal and sibling factors
are rarely reported. Advanced paternal age is more frequent
in those with athetoid/dystonic cerebral palsy. Motor deficit in a sibling has been reported as
an association with cerebral palsy in the Collaborative
Perinatal Project of the National Institute of Neurological
and Communicative Disorders and Stroke (NCPP).