[Developmental disorders in children and adolescents of the Los Ríos region, Valdivia, Chile, 2006-2008].

Objectives: To study possible findings of factors in the antenatal, perinatal or postnatal period, in the mother or the child that may have an influence on the appearance of a developmental disorder.

Patients And Method: A Data Base of Clinical Histories from every patient with a developmental disorder (F80-F90 ICD10) was created. The patients attended the Child Psychiatric Unit at Hospital Regional of Valdivia, Chile, from August 2006 to December 2008.