Thyroid is one of the largest endocrinal glands of the body found in neck. This gland is responsible for :

1.	Growth
2.	Development of the body and also acts in synergy with other hormones and helps in maintaining and developing genitourinary symptoms.

A normal level of thyroid secretion is essential for maintaining harmony and equilibrium in the body.

The production is governed by a hormone called TSH [Thyroid Stimulating Hormone] a glycoprotein secreted by anterior pituitary gland which is also govern by TRH [Thyrotrophin releasing hormone].

TSH stimulates the production of T3 & T4.

Thyroid disorders are of two types.

1)	Deficiency [Called as hypothyroidism].
2)	Excess production [hypothyroidism].

A few factors contributing to the production of hypothyroid

1)	Auto immune- eg Graves disease.
2)	Thyroiditis- inflammatory processes.
3)	Iodine induced / or due to deficiency.
4)	Endemic areas in India like Bihar, UP and Bengal where it is due to radioactive iodine in water
5)	It runs in families.
6)	Drug induced.
7)	Raddish, cabbage, cauliflower and soyabean may casuse goiterogenic effect.
8)	Spontaneous atropic- eg. Hypothyroidism.
9)	Congenital.
10)	Endemic areas in india like bihar, UP and Bengal where it is due to rediaoactive iodine in water
11)	Sub clinical.

The traditional treatment available for thyroid disorder is surgery and or lifelong remission.

Above figure expresses role of thyroid gland in life of a female.