Is congenital sensorineural deafness definitely hereditary?

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  • Source:Signia Hearing Aids

Congenital deafness refers to deafness caused by abnormalities during maternal pregnancy and delivery or genetic factors, mostly sensorineural deafness.


Is congenital sensorineural deafness definitely hereditary?

Some congenital deafness is hereditary. If there is a history of deafness in the direct family members, it generally indicates that there are deafness-causing genes on the autosomal or sex chromosomes, or even skipped generation inheritance, and the offspring may be deaf. Congenital deafness caused by radiation during the embryonic period, viral infection, misuse of related teratogenic drugs, etc. is not hereditary.


Deafness is not 100% hereditary. Even parents with normal hearing may give birth to deaf children. Hearing screening is generally performed after newborns are born. Newborns who fail the hearing screening will be rescreened again later. If a newborn is found to have hearing impairment, the earlier the intervention and treatment are provided, the more obvious the improvement of the hearing impairment will be in the later period of the newborn. Therefore, family members do not need to worry too much and can actively cooperate with the doctor to take measures.

According to literature reports, among normal groups, the rate of consanguineous marriage is only 2%, while among patients with genetic deafness, 70% are consanguineous marriages. It can be seen that consanguineous marriage is the main factor for concurrent genetic deafness. In addition, the incidence of genetic deafness is mostly concentrated in welfare factories for the disabled. Because there are many people who intermarry with each other, most of their offspring will become genetic deafness or deafness gene carriers. This cycle continues again and again, resulting in a decline in the quality of the population. Therefore, the marriage of patients with congenital deafness Educational issues should attract social attention.


Ears are the only way to listen to external sounds, so protecting ears is an issue that each of us should pay attention to. Here, dry-ear audiologists call for regular testing to protect your hearing and don’t let deafness be passed on to the next generation! To achieve: early detection, early treatment, early intervention!

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