---
title: "Prolactin Test: What It Measures & What Results Mean"
description: "A prolactin test measures a pituitary hormone tied to lactation and reproductive signaling; order it with Vitals Vault and test at Quest locations."
canonical: "https://www.vitalsvault.com/biomarkers/prolactin"
last-updated: 2026-08-22
---

# Prolactin Test: What It Measures & What Results Mean

> A prolactin test measures a pituitary hormone tied to lactation and reproductive signaling; order it with Vitals Vault and test at Quest locations.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/prolactin
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