High Prolactin Level ( Hyperprolactinemia)
What is Prolactin?
Prolactin is one of several hormones, produced by the pituitary gland.
Prolactin secretion has a circadian rhythm: its level is highest during sleep at night and lowest around noon time.
Secretion of prolactin takes place in pulses, usually separated by about 90 minutes.
What is the normal function of Prolactin?
The main normal function of prolactin is during and after pregnancy. During pregnancy, It is produced in large amounts and is responsible for lactation after delivery.
Prolactin also causes lack of mense during pregnancy and for a number of months after delivery.
A high level of prolactin is also called hyperprolactinemia.
This article was written by Sarfraz Zaidi, MD, FACE. Dr. Zaidi specializes in Diabetes, Endocrinology and Metabolism.
Dr. Zaidi is a former assistant Clinical Professor of Medicine at UCLA and Director of the Jamila Diabetes and Endocrine Medical Center in Thousand Oaks, California.
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