Deafness gene SLC26A4 (PDS),1174a >; What does t-heterozygous mutation mean? The baby passed the hearing screening at birth.

The examination shows that the patient is an abnormal gene carrier, and the carrier may not get sick, but pay attention to the child's hearing and do hearing tests regularly. It is suggested that children should have a hearing examination every six months to one year within three years old, and pay attention to prevent kowtow, cold and fever. If you feel insensitive to sound, you should seek medical advice in time and have an ear CT examination if necessary. Simple screening cannot be used as a reference for evaluation. I suggest you do a behavioral test, acoustic impedance, otoacoustic emission and auditory brainstem evoked response.