Medically reviewed by Kelly Wood, MD Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.4 and 4.5 ...

Interpreting TSH levels Generally, normal TSH levels are between 0.5 to 5.0 mIU/L. However, this may vary for pregnant people as TSH levels naturally change as pregnancy progresses, Jaume says.

TSH reference intervals should be established from the 95 % confidence limits of the log-transformed values of at least 120 rigorously screened normal euthyroid volunteers who have: ...

Once the amount of T4 reaches appropriate levels, your pituitary gland recognizes that and stops producing TSH. In people with subclinical hyperthyroidism, the thyroid produces normal levels of T4 ...

Some physicians use a low-normal range therapeutic target for TSH when patients have undetectable serum Tg levels and have had no recurrence 5-10 years after thyroidectomy. If iodide intake is ...