Prolactin is the hormone that produces milk through mammary glands during lactation. Gland secreting prolactin is situated in the brain.
Physiological increase of prolactin hormone levels occur during pregnancy and lactation.
In the non-physiological state an abnormal increase in the prolactin hormone manifests by the following symptoms
- Milk secretion from breasts
- Absence of menstrual flow
- Decreased menstrual flow
- Headache or blurring of vision associated with above-mentioned symptoms.
Pathological increase can be due to
- Polycystic ovaries
- Drug induced
- Prolactin secreting tumor