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A progesterone test measures the amount of the hormone progesterone in a blood sample. Progesterone is a hormone produced by the

Amazing changes are happening in your newborn's development. Babies' brains develop quickly, as they begin to think, learn, and

A complete blood count (CBC) gives important information about the kinds and numbers of cells in the blood, especially red blood

Some diuretics can cause low levels of potassium. Potassium is needed to transmit electrical impulses in the heart. A low

A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in the blood. Normally, antibodies are produced

A tubo-ovarian abscess is a pocket of pus that forms during an infection of a fallopian tube and ovary. This abscess is often

Creatinine and creatinine clearance tests measure the level of the waste product creatinine (say "kree-AT-uh-neen") in your blood

The sedimentation rate (sed rate) blood test measures how quickly red blood cells (erythrocytes) settle in a test tube in one hour

What is pelvic inflammatory disease? Pelvic inflammatory disease (PID) is an infection of your uterus, fallopian tubes, or ovaries

A total serum protein test measures the total amount of protein in the blood. It also measures the amounts of two major groups of