HORMONES, Page 2

A blood test for estradiol is a laboratory assessment that measures the level of estradiol, one of the main forms of estrogen, in the blood. This test is often used to evaluate...

The FAI Index (Free Androgen Index) is a calculated marker used to estimate the amount of biologically active – free – testosterone in the body.    ...

Free β-hCG (free beta subunit of human chorionic gonadotropin) is a hormone produced during early pregnancy. A blood test for free β-hCG is primarily used in the first...

Free testosterone testing from blood is used to determine the level of biologically active testosterone that is not bound to proteins in the blood.

The follicle-stimulating hormone (FSH) check is a laboratory test performed to assess ovarian function in women and testicular function in men, or to diagnose issues related to...

The fT3 (free triiodothyronine) test is a blood test that measures the level of free triiodothyronine, a hormone produced by the thyroid gland.

The fT4 (free thyroxine) test is a blood test that measures the level of free thyroxine, a hormone produced by the thyroid gland.

A blood test for HCG is a laboratory examination often used to confirm pregnancy. HCG is a hormone produced by the tissue that develops after fertilization, known as the...

A blood insulin check is a laboratory test that measures the amount of insulin, a hormone produced by the pancreas, in your blood.

This test measures the blood level of insulin-like growth factor 1 (IGF-1), a key mediator of growth hormone activity. IGF-1 is produced mainly in the liver, and its...

A blood leptin level test is a laboratory examination that measures the amount of leptin, a hormone produced by fat cells (adipocytes) in the body.

A blood test for luteinizing hormone (LH) is a laboratory assessment designed to measure LH levels in the blood. This test is often used to diagnose and monitor conditions...