A delay in speech development may be a symptom of many disorders, including
mental retardation, hearing loss, an expressive language disorder, psychos
ocial deprivation, autism, elective mutism, receptive aphasia and cerebral
palsy. Speech delay may be secondary to maturation delay or bilingualism. B
eing familiar with the factors to look for when taking the history and perf
orming the physical examination allows physicians to make a prompt diagnosi
s. Timely detection and early intervention may mitigate the emotional, soci
al and cognitive deficits of this disability and improve the outcome.