Elevated prolactin levels can cause symptoms like irregular periods and nipple discharge. Low prolactin levels are less common and can cause a reduced milk supply in lactating individuals. High ...

Prolactin is a hormone produced by the pituitary gland. High levels can affect sexual and reproductive health. They may result from medication use, health conditions, or prolactinomas. Prolactin plays ...

What Is a Prolactin Test? A prolactin (PRL) blood test measures how much of a hormone called prolactin you have in your blood. The hormone is made in your pituitary gland, which is located just below ...

Measurement of prolactin is one of the most commonly undertaken hormonal investigations in evaluating patients with reproductive disorders. Hyperprolactinemia is found in up to 17% of such cases.