The Hormones category explains laboratory tests that assess endocrine function—TSH, Free T4/T3, cortisol, ACTH, LH, FSH, estradiol, testosterone, prolactin, insulin, and more—helping diagnose and monitor hormonal disorders.
The Prolactin test measures the level of prolactin hormone in the blood. It helps evaluate fertility, menstrual irregularities, and pituitary gland disorders. Learn about its function, normal ranges, and causes of high or low prolactin in both men and women.
Prolactin (PRL) Test – Function, Normal Range, and Causes of High & Low Levels Read More »
The FSH test measures the Follicle-Stimulating Hormone level in the blood. It helps assess fertility, menstrual cycle disorders, and pituitary or gonadal function. Learn about FSH function, normal ranges, and causes of high or low FSH in both men and women.
FSH (Follicle-Stimulating Hormone) Test – Normal Range, Function, and Causes Read More »
The LH test measures luteinizing hormone levels in the blood. It helps evaluate fertility, menstrual disorders, and pituitary or gonadal function. Learn about LH functions, normal ranges, and causes of high or low LH levels in both men and women.
LH (Luteinizing Hormone) Test – Normal Range, Function, and Fertility Role Read More »
The TSH test measures thyroid-stimulating hormone in your blood to assess thyroid function. It helps diagnose hypothyroidism and hyperthyroidism, monitor treatment, and detect pituitary issues. Learn about its role, causes of high or low TSH, and normal reference ranges.
TSH (Thyroid Stimulating Hormone) Test – Normal Range, Function, and Complete Guide Read More »
The FT4 test measures the free thyroxine hormone level in your blood. It helps detect thyroid disorders like hypothyroidism and hyperthyroidism. Learn about its function, causes of abnormal levels, symptoms, reference range, and how the test is performed.
FT4 (Free Thyroxine) Test – Normal Range, Function, Symptoms, and Complete Guide Read More »
The FT3 (Free Triiodothyronine) test measures the active thyroid hormone in your blood. It helps diagnose thyroid disorders such as hyperthyroidism or hypothyroidism. Learn about normal ranges, causes, and symptoms of high or low FT3 levels and how it reflects your thyroid health.
The T4 (Thyroxine) test measures the level of thyroid hormone in the blood to assess thyroid function. Learn about normal ranges, causes, and symptoms of high or low T4 levels, and the importance of T4 in regulating metabolism and overall health.
T4 (Thyroxine) Test – Normal Range, Function, Causes of High & Low T4 Explained Read More »
The T3 (Triiodothyronine) test measures active thyroid hormone levels to evaluate thyroid function. Learn about its normal range, function, causes, and symptoms of high and low T3. This test helps diagnose hypothyroidism, hyperthyroidism, and other thyroid-related disorders.
T3 (Triiodothyronine) Test – Normal Range, Function, High & Low T3 Levels Explained Read More »
