---
title: "When does perimenopause start? Signs and timing"
description: "When does perimenopause start? It starts when hormone shifts change your cycle or cause symptoms, often in your 40s. See early signs."
canonical: "https://www.vitalsvault.com/treatment-learn/when-does-perimenopause-start"
last-updated: 2026-08-22
---

# When does perimenopause start? Signs and timing

> When does perimenopause start? It starts when hormone shifts change your cycle or cause symptoms, often in your 40s. See early signs.

---

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