Individual tests

LDL stands for low-density lipoproteins. It is sometimes called "bad" cholesterol because high levels cause a buildup in your arteries. Over time, the plaque hardens, narrowing your arteries. This limits the flow of oxygen-rich blood, which is why a high level of LDL cholesterol is a risk factor for vascular and heart diseases.
Luteinizing hormone (LH) is synthesized and secreted by gonadotropes in the anterior lobe of the pituitary gland. Along with the follicle-stimulating hormone (FSH), it is essential for proper reproductive function. In females, an acute rise of LH triggers ovulation; in males, it stimulates Leydig cell production of testosterone. This test typically finds the cause of infertility or irregular or stopped menstrual periods.
Your body has four main lipids: cholesterol, LDL-cholesterol, HDL-cholesterol, and triglycerides. HDL is good cholesterol because it helps absorb cholesterol in the blood and carries it back to the liver, while the rest are bad cholesterol. These tests help better understand your risk for heart disease, stroke, and other problems from narrowed or blocked arteries.
Your body has four types of lipids: cholesterol, LDL-cholesterol, HDL-cholesterol, and triglycerides. HDL is good cholesterol because it helps absorb cholesterol in the blood and carries it back to the liver, while the other types are considered bad cholesterol. These tests help you and your healthcare provider better understand your risk of heart disease, stroke, and other problems caused by narrowed or blocked arteries.
Lipoprotein is a lipid and protein component found in the blood. It helps to transport the cholesterol through the blood to the cells. It is of two types high density lipoprotein (HDL) and the low density lipoprotein (LDL). Lipoprotein (a) is a type of LDL that carries the cholesterol to the cells in the arteries. High levels are associated with cardiovascular diseases.
Lipoprotein is a lipid and protein component found in the blood. It helps to transport the cholesterol through the blood to the cells. It is of two types high density lipoprotein (HDL) and the low density lipoprotein (LDL). Lipoprotein (a) is a type of LDL that carries the cholesterol to the cells in the arteries. High levels are associated with cardiovascular diseases.
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.
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.
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