Does the detection of a heterozygous mutation during prenatal testing cause deafness in the baby?

Patient's question:

I am very scared when this happens. I often experience lower abdominal pain and don't know how to solve it, so I came here for consultation. Please ask, does a heterozygous mutation detected during prenatal check-ups cause deafness in the baby?

Doctor's answer:

This mutation may be associated with late-onset high-frequency hearing loss in some patients, but many carriers do not have hearing problems, so there is no need to worry excessively. A detailed hearing test is sufficient. Generally, doctors recommend that patients with risk signs of prenatal examination should maintain a balanced diet, avoid spicy and stimulating as well as cold foods. Additionally, patients should also pay attention to a comfortable environment, which is beneficial for rest. Wishing patients a healthy delivery.

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