A T3 test is most often used to diagnose hyperthyroidism, a condition in which the body makes too much thyroid hormone. T3 tests are frequently ordered with T4 and TSH (thyroid stimulating hormone) tests. A T3 test may also be used to monitor treatment f

An estradiol test measures the amount of the hormone estradiol in your blood. It's also called an E2 test. Estradiol is a form of the hormone estrogen. It's also called 17 beta-estradiol.

This test measures the level of follicle-stimulating hormone (FSH) in your blood.

(LH) levels test? ... This test measures the level of luteinizing hormone (LH) in your blood

— A prolactin test measures the amount of a hormone called prolactin you have in your blood.

An AMH test is often used to check a woman's ability to produce eggs that can be fertilized for pregnancy. A woman's ovaries can make thousands of eggs during her childbearing years. The number declines as a woman gets older. AMH levels help show how many potential egg cells a woman has left. This is known as the ovarian reserve.

Semen analysis is a test of a man's sperm and semen. Also known as a sperm count or male fertility test, its results show how many sperm are released, as well as how they're shaped and how well they move. Semen is the thick fluid that comes from men's p