Monthly Archives: January 2009

Qualitative impairment in social interaction

Parents may recall a major event preceding the change, such as the birth of a sibling, the death of a grandparent, or a physical illness, but it is unclear whether the child was truly unimpaired prior to the event. As

Perinatal factors. Autism

A number of studies have shown an increased frequency of prenatal, perinatal, and neonatal complications in autistic children. The most frequently reported complications include bleeding after the first trimester and meconium staining of the amniotic fluid, an indication of fetal