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 ...

High prolactin levels can cause symptoms like irregular periods and nipple discharge. It's less common, but low prolactin levels can decrease milk supply in breastfeeding people. Treatment for high ...

A problem with an individual’s prolactin levels may indicate several health conditions. Prolactin may also affect a person’s fertility. A prolactin level test can help doctors identify the cause and ...

Prolactin is a polypeptide hormone whose major biological actions are related to normal lactation and reproduction. Abnormally high prolactin levels, referred to as hyperprolactinemia, can result in ...

Prolactin is a hormone involved in milk production in mammals. Levels typically increase during pregnancy. High prolactin levels outside pregnancy may indicate an underlying health problem. Prolactin ...