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   What is a normal TSH level?

   • Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) Doctors can use TSH test results to diagnose thyroid disorders, such as hypothyroidism and hyperthyroidism. The pituitary gland produces TSH, which is a hormone that stimulates the thyroid gland. The thyroid is a butterfly-shaped gland in the throat.

   TSH Levels: Low to high ranges, symptoms, and what they mean

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   What is a normal TSH level during pregnancy?

   • The lower TSH range decreases by around 0.4 mU/L, and the upper limit is approximately 0.5 mU/L lower. Levels of TSH in the blood increase gradually during the second and third trimesters, but they remain lower than normal levels in women who are not pregnant. Doctors carefully monitor TSH levels throughout pregnancy.

   TSH Levels: Low to high ranges, symptoms, and what they mean

   www.medicalnewstoday.com/articles/326774

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   What does a high TSH level mean?

   • TSH levels below 0.4mU/L indicate hyperthyroidism, while levels of about 4.0mU/L and above indicate hypothyroidism. The further the result from these levels, the more severe the result is. What happens when TSH levels are high? High TSH levels indicate that a person has an underactive thyroid, meaning it is not producing enough essential hormones.

   TSH Levels: Low to high ranges, symptoms, and what they mean

   www.medicalnewstoday.com/articles/326774

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2. www.medicalnewstoday.com › articles › 326774TSH Levels: Low to high ranges, symptoms, and what they mean

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   Dec 22, 2023 · The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L)

3. www.healthline.com › health › tsh-normal-range-by-ageTSH Normal Range by Age: Men, Women, in Pregnancy, and More

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   Jan 8, 2020 · Learn how TSH levels vary by age, sex, and pregnancy, and what to do if they are too high or too low. Find out the symptoms, causes, and treatments of hypo- and hyperthyroidism.

4. my.clevelandclinic.org › health › articlesThyroid-Stimulating Hormone (TSH) Levels - Cleveland Clinic

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   Jul 25, 2022 · In general, normal TSH levels during pregnancy include: First trimester (9 to 12 weeks): 0.18 – 2.99 (uIU/mL). Second trimester: 0.11 – 3.98 uIU/mL. Third trimester: 0.48 – 4.71 uIU/mL. Always check your lab’s reference range on your results report. If you have questions about your results, ask your healthcare provider.

5. www.verywellhealth.com › understanding-thyroidTSH Levels: What Do High and Low Levels Mean? - Verywell Health

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   Mar 28, 2023 · Value of TSH Testing. Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.4 and 4.0 milliunits per liter (mU/L). TSH levels higher than 4.5 mU/L usually indicate an underactive thyroid ( hypothyroidism ), and low TSH levels—below 0.4 mU/L—indicate an overactive thyroid ( hyperthyroidism ).

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6. www.healthgrades.com › normal-tsh-levelsTSH Levels: Normal Ranges, Symptoms, Testing, and Treatments

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   Mar 24, 2022 · Summary. The normal range for thyroid-stimulating hormone (TSH) is 0.35 to 4.5 milli-international units per liter (mIU/l) of blood. TSH is a hormone produced by your pituitary gland that regulates the production of hormones by your thyroid gland. The levels of TSH in your body can tell you how well your thyroid gland is functioning.

7. www.webmd.com › women › what-is-tsh-testThyroid-Stimulating Hormone (TSH): TSH Levels Test - WebMD

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   Nov 14, 2023 · Normal TSH Levels. Doctors have figured out normal TSH levels by age. The ranges are as follows: Babies less than 5 days old: 0.7-5.2 micro-international units per milliliter (uIU/mL) Babies aged ...

8. www.health.com › tsh-levels-7094975TSH Levels: Normal, Low, and High Ranges - Health

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   Jan 24, 2023 · There is some debate over the normal values of TSH. The normal range for TSH is between 0.4 and 4.0 milli-international units per milliliter (mUI/mL), although this can vary slightly. Anything far ...