OVERVIEW:
What is the total prolactin lab test?
A total prolactin lab test is a blood test that measures the level of prolactin circulating in the bloodstream.
Why is the total prolactin lab test done?
A total prolactin lab test is done in order to:
- Diagnose a prolactinoma,
- Identify the cause of irregular menstrual cycle in women,
- Identify the cause of infertility in women,
- Identify the cause of erectile dysfunction in men.
What does a total prolactin lab test measure?
A total prolactin lab test measures the level of prolactin present in the blood. Prolactin is secreted by the pituitary gland and causes the breasts to grow and makes milk during pregnancy and after birth.
Are there any risks associated with this test?
There are no known risks associated with this test.
Can this test be performed in pregnant females?
This test can be safely performed in a pregnant female.
What are the causes behind raised prolactin level in females?
Pregnancy, hypothyroidism, prolactinoma, and liver disease raise prolactin level in females.
How should I prepare for this test?
No special preparation is needed for this test. You are advised to take this test 3-4 hours after waking up.
What are the symptoms of excess prolactin in women?
Irregular periods, early menopause, infertility, and breast tenderness are the most common symptoms of excess prolactin in women.
The normal value for prolactin in men is < 20 ng/mL,
The normal value for prolactin in nonpregnant women is < 25 ng/mL,
The normal value for prolactin in pregnant females is 80 – 400 ng/mL.
A total prolactin lab test is done in order to:
- Diagnose a prolactinoma,
- Identify the cause of irregular menstrual cycle in women,
- Identify the cause of infertility in women,
- Identify the cause of erectile dysfunction in men.
