Cerebral palsy data confirms family link

People born into families in which a relative has cerebral palsy are at elevated risk, according to a Norwegian population-based study that offers new evidence the underlying causes extend beyond the clinical management of delivery.

The patterns of risk suggest multifactorial inheritance, in which multiple genes interact with each other and with environmental factors, say the researchers.

They studied data from 2 036 741 Norwegians, of whom 3,649 had a diagnosis of cerebral palsy. The