Prolactin is a hormone secreted by the pituitary gland, a small gland located at the base of the brain. The hormone plays a vital role in regulating the reproductive system and stimulating milk production in nursing mothers. Prolactin analysis is a blood test that measures the levels of prolactin in the blood.
Prolactin levels in the blood normally increase during pregnancy and breastfeeding. However, in non-pregnant individuals, high levels of prolactin in the blood may indicate a problem with the pituitary gland or another medical condition. For instance, a noncancerous tumor in the pituitary gland, called a prolactinoma, may cause the gland to produce excess prolactin, leading to high prolactin levels in the blood.
Other medical conditions that may cause high prolactin levels in the blood include hypothyroidism, polycystic ovary syndrome, and kidney disease. Certain medications, such as antidepressants and antipsychotics, may also cause elevated prolactin levels.
On the other hand, low levels of prolactin in the blood are rare and are not usually a cause for concern. However, in some cases, low prolactin levels may indicate damage to the pituitary gland or other medical conditions such as anorexia nervosa or excessive exercise.
Prolactin analysis is typically ordered by a healthcare provider when they suspect a problem with the pituitary gland or other medical conditions that may cause abnormal prolactin levels. Symptoms of high prolactin levels may include abnormal milk production, menstrual irregularities, decreased sex drive, and erectile dysfunction. Symptoms of low prolactin levels, although rare, may include difficulty breastfeeding, infertility, and loss of bone density.
In conclusion, prolactin analysis is a blood test that measures the levels of prolactin in the blood. It is a useful diagnostic tool for detecting problems with the pituitary gland or other medical conditions that may cause abnormal prolactin levels. Healthcare providers may order the test when they suspect a problem based on the patient’s symptoms and medical history.