On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.

a. Which probable disease are these people suffering from?


b. How is it caused?


c. What effect does this condition have on pregnancy?


(a) Goiter

Reason: when thyroid gland is enlarged it causes diseases Goiter which is due to overstimulation of thyroid gland. When thyroid gland stimulates excessive thyroid hormone that is TSH or TSI than it causes Goiter.


(b) It is caused due to the deficiency of iodine in the diet that results in hyperthyroidism and enlargement of the thyroid gland commonly called Goiter in which thyroid hormone hormone form excessively.


(c) Hypothyroidism during pregnancy causes-


• Defective development and maturation of the growing baby leads to stunted growth (cretinism)


• Mental retardation


• Low intelligence quotient


• Abnormal skin


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