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Hormones

What is Prolactin? Your Complete Guide

Pituitary hormone that stimulates milk production. Stimulates breast milk production. Inhibits reproductive hormones when elevated.

📏Normal Range

2 – 18ng/mL

Typical reference range. Your lab may use slightly different values.

LowNormalHigh
< 2 ng/mL2 – 18 ng/mL> 18 ng/mL

❓Frequently Asked Questions

What is Prolactin?

Pituitary hormone that stimulates milk production. Stimulates breast milk production. Inhibits reproductive hormones when elevated.

What is the normal range for Prolactin?

The typical normal range for Prolactin is 2–18 ng/mL.

How can I check my Prolactin levels?

You can check your Prolactin levels with a routine blood test. Upload your lab report to ScanHealth for an instant, plain-language explanation.

Check Your Prolactin Results Instantly

Upload your blood test report and get a plain-language explanation of your Prolactin result — plus all other markers. Free.

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This guide is for informational purposes only and does not constitute medical advice. Reference ranges may vary by lab. Always consult a qualified healthcare provider for diagnosis and treatment.