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The thyroid gland has the responsibility of creating hormones in the right amount for the body for it to function normally. The dysfunction of the thyroid gland is quite common among people. In fact, all age people face such dysfunctions. Hence, it is important for keeping a check on the thyroid stimulating hormone (TSH). Let us discuss everything about the thyroid normal range and the TSH gland as per age of people.
As the name suggests, Thyroid Stimulating Hormone (TSH) Is the one which produces vital hormones in the body by arousing the thyroid gland. These hormones produced by the thyroid gland are required for the metabolism of the body, like thyroxine. The pituitary gland that is present in the human brain produces it. Further, the TSH also supports other important functions like nerve functions and the maintenance of general energy levels, among others.
Moreover, if the thyroid levels in the body become low, it means that the pituitary gland generates higher TSH levels. Likewise, when the body’s range of thyroid is high, the TSH generated by the pituitary gland is low. So, the problems related to the functioning of the thyroid gland can be identified by the TSH.
Your body’s TSH level is monitored in range. So, the normal range of TSH level comes within 0.45 – 4.5 mU/L. However, the normal thyroid levels or TSH in the body also varies depending on the person’s age.
The following table shows the age-wise normal thyroid or normal body TSH levels:
|Age Group||TSH Normal range (mU/L)|
|0 – 4 days||1.6 – 24.3|
|2 – 20 weeks||0.58 – 5.57|
|20 weeks – 18 years||0.55 – 5.31|
|18 – 30 years||0.5 – 4.1|
|31 – 50 years||0.5 – 4.1|
|51 – 70 years||0.5 – 4.5|
|71 – 90 years||0.4 – 5.2|
In the case of male, if there is an abnormality in the TSH level such as a low or high TSH, it affects the fertility factor of the person as it produces less sperm formation.
The below table will guide you about the various thyroid levels and the conditions they might cause:
|High TSH (low thyroid hormone)||Primary hypothyroidism|
|High TSH (normal thyroid hormone)||Subclinical hypothyroidism|
|Low TSH (high thyroid hormone)||Primary hyperthyroidism|
|Low TSH (normal thyroid hormone)||Early or mild hyperthyroidism|
|Low TSH followed by High TSH (high thyroid followed by low thyroid)||Thyroiditis (Thyroid Inflammation)|
|Low TSH (low thyroid hormone)||Pituitary disease|
Among women, the level of TSH varies during pregnancy. Here is a table showing the thyroid normal range in female who are pregnant:
|Pregnancy stages||Normal range of TSH level (mU/L)|
|First 3 months (1st trimester)||0.6 – 3.4|
|Middle 3 months (2nd trimester)||0.37 – 3.6|
|Last 3 months (3rd trimester)||0.38 – 4.0|
A high TSH level during pregnancy might pose a risk of miscarriage among females and hence, it is important to keep a check on the thyroid normal value of women during pregnancy.
When the thyroid normal range chart among women goes beyond 4.5 mU/L, it is regarded as the thyroid gland is underactive and the condition is called hypothyroidism. Generally, women are inclined to have high TSH levels during the time of mensuration, pregnancy and menopause.
Some common symptoms of high TSH level called hypothyroidism are constipation, dry skin, gain in weight, weakness, heavy flow or irregular menstrual cycles, cramps in the muscle, joint pain, thinning of hair, slow rate of heart, brittle nails, Trouble focusing and so on.
When your body shows low TSH level, it means a hyperactive thyroid gland, which is termed as hyperthyroidism.
Some common symptoms of low TSH level or hyperthyroidism include, increase in appetite, weight loss, palpitations, modifications in menstrual cycle, weakness in muscle, sleep issues, loss of hair or change in the texture of hair, problem with vision, feeling nervous etc.
If the TSH level is high in a person (above 4.5 mU/L) it means an underactive thyroid, which is commonly known as hypothyroidism. This condition arises when the thyroid gland in your body doesn’t create sufficient thyroid hormones as per the requirement of the body. The connotation of high TSH will vary depending on whether a person is already suffering from thyroid disease or not.
Here are some of the causes:
When you say a low TSH level, it means a raised level of thyroid hormones in an individual. If the TSH is below 0.4 mU/L, it means a low TSH level. This indicates an overactive thyroid, which is commonly known as hyperthyroidism. Under this condition, your body is creating an excess amount of thyroid hormone than required.
Here are some of the causes:
To Sum Up
The thyroid gland is an important organ in the human body. If there is anything wrong with the functioning of the gland, it causes the TSH level of the body to drop or to rise high.
Moreover, the thyroid test normal range level of people also differs depending on the age of the person. It is important to keep a check on the range of TSH by referring to a TSH table as mentioned above. The normal TSH level in a person’s body varies as per age and needs to be kept under check.
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For 18 – 30 years of age, the normal TSH level ranges between 0.5 – 4.1 mU/L.
Thyroid profile normal values for a healthy person ranges between 0.5 to 5.0 mU/L.
Apples, pears, plums and citrus fruits are said to be good for thyroid.
The thyroid normal report for people aged 18-50 years should be between 0.5 and 4.1 mU/L, whereas for adults between 51-70 years, the TSH levels should be between the range 0.5 and 4.5.
High TSH in females can cause Hyperthyroidism (too much thyroid hormone), which is also called overactive thyroid. This might cause symptoms like weight loss, rapid or irregular heartbeat etc.
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