Antimalarianhormone( AMH) This test measures the level of anti-müllerian hormone (AMH) in the blood.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.