The Prolactin blood test can help diagnose symptoms such as milky discharge from the nipple, this can be cause by high prolactin levels. The test can also be used to track prolactin levels if you have a condition such as a thyroid disorder or polycystic overload.
The prolactin blood test can also help find the cause of woman's menstrual irregularities and help men find the cause of erectile dysfunction and low sex drive.