Birth prevalence of oral clefting in northern Iran.

OBJECTIVE To explore the prevalence of oral clefting in northern Iran. SETTING In the Dezyani hospital 37,951 live births from 1998 through 2003 were screened for oral clefts. Clinical and demographic factors of diagnosed cases, including birth date, ethnicity, type of oral cleft, parental consanguinity, and coexisting anomalies, were recorded for… (More)