
The DHEAS test is a blood test that measures dehydroepiandrosterone sulfate (DHEAS), a hormone produced mainly by the adrenal glands located above the kidneys. In

A Free T4 test is a blood test that measures the amount of unbound thyroxine circulating in the blood. Thyroxine, also called T4, is one

A TSH test is a blood test that helps assess how well the thyroid gland is functioning. Thyroid problems can affect menstrual periods, ovulation, fertility

The best day for hormone testing depends on which hormone is being measured and why the test is needed. Some hormone tests are commonly performed