Risk Factors in the Formation of Congenital Malformations of the Ear: Microtia and Atresia of the External Auditory Canal.

Background: The main study aims are to determine the incidence of congenital ear abnormalities in children in Kazakhstan and their risk factors. This research examined the medical treatment given to children with congenital malformations and the medical and social aspects impacting them and their parents. It also evaluated congenital ear deformity children's quality of life.