PROLACTIN, SERUM

What this test checks

Measures prolactin from the pituitary gland. High levels can cause infertility, period problems, and unexpected breast milk.

Why do people get this test?

Used in fertility evaluation, irregular periods, and pituitary problems.

When you should consider this test

• Irregular or absent periods
• Trouble conceiving
• Unexpected breast milk discharge

How to prepare

Sample in the morning, after a restful night. Avoid breast stimulation before.