What Do Low Prolactin Levels Mean?

By Staff WriterLast Updated Apr 4, 2020 6:17:03 PM ET

According to the Society for Endocrinology, low levels of prolactin mean that a person has hypoprolactinaemia, which can lead to low breastmilk production and possibly to a weaker immune system. However, most people with this rare condition do not have medical problems as a result.