Congenital hearing loss is described as hearing loss that...

Congenital hearing loss is described as hearing loss that exists at birth. Factors responsible for this condition include those present during pregnancy (such as hereditary factors), as well as factors present after pregnancy. An inherited congenital hearing loss could be conductive, sensorineural, or even a combination of both. The amount or progression of this type of hearing loss varies according to each individual’s case. According to Richard Smith, congenital hearing loss is â€Å"syndromic (associated with malformations of the external ear or other organs or with medical problems involving other organ systems) or nonsyndromic (no associated visible abnormalities of the external ear or any related medical problems)†¦Ã¢â‚¬  Over 400 genetic†¦show more content†¦On the other hand, there is another kind of a genetic factor called autosomal recessive hearing loss. This means that both parents will typically have normal hearing, but they carry a recessive ge ne for hearing loss. The probability of the child being born with hearing loss is 25%. The sex chromosome X-linked hearing loss is when the mother carries the recessive trait for hearing loss on her sex chromosome and passes it down to the male. This recessive gene would not affect a female child because paired with her father’s gene the trait would remain recessive. Genetic hearing loss can be seen in several syndromes, in which hearing loss can be a result of the syndrome; examples of this are Down syndrome (an extra copy of chromosome 21), Usher syndrome (autosomal recessive), and Treacher Collins syndrome (autosomal dominant). These are not the only examples, but just a few of them. Besides genetic factors, there are other causes of congenital hearing loss. These factors occur naturally as opposed to being genetically passed down from the child’s parent(s). Examples of these natural causes include prenatal illness, infections, or toxins that might have been consumed by the mother during her pregnancy. 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