Not exact matches
This
test is ideal in advanced stages of thyroid disease, but can actually vary in accuracy for someone in their first 5 - 10 years of thyroid disease symptoms because of the
fluctuation of thyroid
hormone levels.
Like serum
testing, saliva
tests offer only a «snapshot» look at
hormones that ebb and flow throughout a 24 - hour period, for which reason its diagnostic value for testosterone, estradiol, progesterone, dehydroepiandrosterone (DHEA) and aldosterone is compromised by rapid
fluctuations in salivary concentrations of these steroids.
Because the
fluctuation in
hormone levels is so small, normal blood
tests for adrenal gland function may not detect the abnormality and the condition is often overlooked.
However, that study
tested for testosterone three times throughout the day, making it more sensitive to the
hormone's frequent
fluctuations.