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TSH (Thyroid Stimulating Hormone)The pituitary gland makes thyroid-stimulating hormone (TSH), which tells your thyroid to release hormones called T3 and T4. These hormones work together to control your body’s energy use, weight, and temperature. The TSH (Thyroid Stimulating Hormone) Ultrasensitive test is very accurate and can detect small changes in TSH levels. It helps diagnose and monitor thyroid problems like goiter, Graves’ disease, and Hashimoto’s thyroiditis, which may be caused by an overactive (hyperthyroidism) or underactive (hypothyroidism) thyroid. This test, along with T3 and T4, is also recommended for pregnant women to ensure healthy thyroid levels for the baby and prevent pregnancy related complications. TSH levels may show marked fluctuations in an individual due to factors like aging, cold weather, or the time of day when they are evaluated. So, the daytime testing for TSH measurements is usually preferred. No special preparations are needed for the TSH (Thyroid Stimulating Hormone) Ultrasensitive test. However, please inform the doctor about all the medications you are taking, as some of these can affect thyroid function. TSH test result ranges may vary across the laboratories depending on the methodology and laboratory guidelines. Do not self-medicate. Always consult your doctor to understand your test results correctly.
Yes. To ensure accurate results, follow these key requirements before taking a TSH (Thyroid Stimulating Hormone) test.
Fasting is not usually required for a TSH test.
Pregnancy can change normal TSH levels. Doctors may recommend TSH testing to monitor thyroid function during pregnancy.
Inform your doctor about all medications, supplements, or herbal products you are taking.
A small blood sample is drawn from a vein, usually from the arm.
Do not stop taking your thyroid medications on the day of the test unless otherwise advised by the doctor.
No fasting is needed before undergoing TSH test. You are free to eat as you regularly would and take the test at any time of day.
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