what is deaf mutism disease ?

It is clear from the name that in deaf mutism patient looses his/her hearing ability which automatically becomes hindrance in his/her learning to speak. It is caused due to Hypothyroidism,  mainly in children of upto 5 years of age . Hypothyroidism is the condition in which the thyroid gland is not able to produce thyroid hormone due to deficiency of Iodine. 

Common symptoms of hypothyroidism:- 

  • Feeling tired or weak, 
  • constipation, 
  • abnormal skin etc.  

@Himanshu & Akshita:- Good efforts, keep posting!!

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during pregnancy when there is deficiency of thyroxine level in mother"s body these causes a side effects on the baby like low IQ, abnormal skin etc. it also includes deaf mutism which means that the baby may not be able to hear & speak after birth. 

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Deaf–Mutism (severe deafness with defective speech)
Whenever a child, up to the age of 5 years develops severe loss of hearing due to any cause, the speech is distorted, lost or is not acquired at all. This happens even though the speech center and the speech organs are normal. A person who has never heard the speech or hears a distorted speech, may not speak at all or has a distorted speech which is reproduction of the speech heard by him. If deafness occurs up to the age 5 years, whatever speech that has been acquired, may be lost. Hence this condition is called Deaf–Mutism or server deafness with defective speech. Only sensory–neural deafness can be so server that it may cause Mutism.

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