Reason for hearing impairment at birth and is it cureable?

Hearig loss at birth. Congenital causes of hearing loss are hereditary hearing loss, which can be autosomal dominant, recessive or xlinked.Other causes are intrauterine infections with rubella, CMV virus, herpes simplex.Maternal diabetes, prematurity, toxemia of pregnancy.Lack of oxygen. All these except the heriditary cause are preventable, there is no cure but it may be corrected by cochlear implants thes edays.