This is a test that measures the amount of progesterone in the blood. This test is performed to evaluate disorders associated with abnormal progesterone levels.
In men, progesterone probably has no normal function except as an intermediate in the synthesis of other steroid hormones. In women, progesterone prepares the uterus for pregnancy and the breasts for milk production.
There are NO fasting requirements but your health care provider may advise you to stop taking certain medications that might affect the test. Drugs that can interfere with the test include progesterone and birth control pills.
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Estriol is one of the three major naturally occurring estrogens, the others being estradiol and estrone.Estriol is produced almost exclusively during pregnancy and is the major estrogen produced in the...