Individual tests

Progesterone is a hormone from the ovaries. During a normal menstrual cycle, progesterone prepares your uterus for pregnancy. This test is useful for those having trouble getting pregnant, undergoing fertility treatment, or experiencing abnormal bleeding when not pregnant.
Prolactin is a pituitary gland hormone that causes the breasts to grow and produce milk. If prolactin levels are higher than normal, it often means there is a type of tumor of the pituitary gland. This test is often used to diagnose a prolactinoma, find the cause of a woman's menstrual irregularities and/or infertility, or determine the reason for a man's low sex drive and/or erectile dysfunction.
SHBG is a protein that attaches to sex hormones in your blood. When the SHBG protein binds to sex hormones, your tissues can't use those hormones. Your tissues can only use free sex hormones that aren't attached to SHBG. The test is most often used to gather information about how testosterone is working in the body.
Sodium is an electrolyte that your body needs to function. It helps to regulate the nerves and muscles and maintains the right balance of fluids in your body. High sodium levels can lead to high blood pressure and other health problems, while low sodium levels may cause seizures, coma, and even death.
Testosterone is known as a "male" sex hormone, but females have testosterone in smaller amounts. Testosterone causes body hair, muscle growth, and a deepened voice after puberty in males. It controls sex drive, maintains muscle mass, and helps make sperm. In females, testosterone is important for the growth of bones and muscles. A testosterone levels test may help diagnose early or delayed puberty.
Cholesterol is a substance found throughout the body. Your body needs some cholesterol to work properly, but too much will block your arteries and lead to heart disease and stroke.
Triglycerides are a common type of fat that comes from food and consuming extra calories. Your body changes these excess calories into triglycerides and stores them in fat cells. When your body needs energy, it releases triglycerides. Very-low-density lipoprotein (VLDL) cholesterol particles carry the triglycerides to your tissues. Having a high level of triglycerides can raise your risk of heart disease.
Vitamin B12 is essential in nervous system function and DNA and red blood cell production. Vitamin B12 tests help detect anemia with larger-than-normal red blood cells or problems with the nervous system, such as emotional changes or weakness.
Zinc is an important trace element that people need to stay healthy. Of the trace elements, ZInc is second only to iron in its concentration in the body. It is needed for the body's defensive (immune) system to work properly, for cell division, cell growth, wound healing, and the breakdown of carbohydrates.
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