The Thyroid Function Test (TFT) is a comprehensive blood test designed to evaluate the performance of your thyroid gland by measuring key hormones responsible for various vital functions in your body. These hormones—TSH, T3, and T4—are critical for maintaining a balanced metabolism, energy production, and other essential processes like heart rate, digestion, and temperature regulation.
By analyzing TSH (thyroid-stimulating hormone), T3 (triiodothyronine), and T4 (thyroxine), the TFT can identify whether your thyroid is overactive (hyperthyroidism) or underactive (hypothyroidism). An imbalance in these hormones can lead to symptoms ranging from fatigue, weight changes, and mood fluctuations to changes in heart rate and sensitivity to temperature.
This test is often recommended if you’re experiencing symptoms that suggest a thyroid imbalance, such as persistent tiredness, unexplained weight changes, or sensitivity to temperature. Additionally, a TFT is commonly advised for individuals who are pregnant, undergoing infertility evaluations, or managing an existing thyroid condition to monitor treatment progress.
A Thyroid Function Test offers a clear picture of your thyroid health in a single, convenient test, allowing you and your doctor to detect potential thyroid issues early and manage any diagnosed condition effectively.
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