Why prolactin test is needed?
Prolactin testing may be ordered when: A person has signs and symptoms of a prolactinoma, such as unexplained headaches, visual impairment, and/or unexplained breast nipple discharge. A woman is experiencing infertility or irregular menstrual periods.
When should prolactin levels be checked?
When Are Prolactin Levels Checked? You can have your prolactin levels checked at any point in your menstrual cycle. Prolactin levels vary throughout the day but are highest while you are asleep and first thing in the morning, so the test is usually done about three hours after you wake up.
Does prolactin test needs to be fasting?
The prolactin test is typically ordered to diagnose galactorrhea, or abnormal lactation, but can also be useful in the diagnosis of headaches and visual disturbances. Fasting is not required for this blood test, and results will be delivered within 1-2 days. The Prolactin Serum Test may also be referred to as PRL.
What is prolactin test for female?
A prolactin (PRL) test measures the level of prolactin in the blood. Prolactin is a hormone made by the pituitary gland, a small gland at the base of the brain. Prolactin causes the breasts to grow and make milk during pregnancy and after birth. Prolactin levels are normally high for pregnant women and new mothers.
What is normal prolactin level for female?
The normal values for prolactin are: Men: less than 20 ng/mL (425 µg/L) Nonpregnant women: less than 25 ng/mL (25 µg/L) Pregnant women: 80 to 400 ng/mL (80 to 400 µg/L)
What is a high prolactin level in females?
How is hyperprolactinemia diagnosed? Simple blood tests to measure the amount of prolactin in the blood can confirm a diagnosis of elevated prolactin levels. Prolactin levels above 25 ng/mL, in women who are not pregnant, are considered elevated.
What is the normal range of serum prolactin?
What should you not do before prolactin test?
You may be asked to rest quietly for up to 30 minutes before having your blood drawn. Stimulation of the nipples can raise prolactin levels. Avoid nipple stimulation for 24 hours prior to prolactin testing. A woman having abnormal nipple discharge should not do anything to cause more discharge before the test.
What is the normal prolactin to get pregnant?
What are normal results?
| Women who are not pregnant | < 25 ng/mL |
|---|---|
| Women who are pregnant | 34 to 386 ng/mL |
| Males | < 15 ng/mL |