
An FSH blood test measures follicle-stimulating hormone, a hormone that helps regulate the menstrual cycle and the development of eggs in the ovaries. Doctors may

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