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What sample is required?

The determination is made from a venous blood sample from the arm.

Is some kind of prior preparation necessary?

For this test you do not need any special preparation.

Why do the analysis?

In women, to evaluate galactorrhea (milk production when there is no pregnancy) or other discharge from the nipple; when menstruation does not occur and/or in cases of infertility. In men, to evaluate decreased libido and/or in cases of erectile dysfunction. It is also used in the detection and monitoring of prolactin-producing pituitary tumors (prolactinomas).

When to do the analysis?

When signs and/or symptoms associated with elevated prolactin concentrations appear, such as galactorrhea and/or visual disturbances and headaches; as part of an evaluation for infertility in men and women, and for monitoring low testosterone levels in men; to monitor whether a prolactinoma may be recurring.

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