---
title: "Estradiol (E2) Test: What It Measures & What Results Mean"
description: "An estradiol test measures your main estrogen level to assess cycles, fertility, menopause, and hormone therapy—order and review results with Vitals Vault."
canonical: "https://www.vitalsvault.com/biomarkers/estradiol"
last-updated: 2026-08-22
---

# Estradiol (E2) Test: What It Measures & What Results Mean

> An estradiol test measures your main estrogen level to assess cycles, fertility, menopause, and hormone therapy—order and review results with Vitals Vault.

---

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