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With hypoprolactinemia, hypo- means below, -prolactin refers to the hormone produced by the pituitary gland, and -emia refers to the blood, so hypoprolactinemia means lower than normal prolactin levels in the blood.
Normally, at the base of the brain, there’s a small pea-sized gland called the pituitary gland.
One group, the lactotroph cells, secrete prolactin.
Apart from milk production, high levels of prolactin also inhibit the release of gonadotropin releasing hormone from the hypothalamus, which results in decreased luteinizing and follicle stimulating hormone levels, which in turn, decreases estrogen levels.
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