Women’s Hormone Health

Understanding Perimenopause: What Changes and Why

The transition years explained clearly and calmly.

6 min readPublished September 19, 2026Medically reviewed by: Licensed Medical Provider

Perimenopause often begins in a woman’s 40s, though timing varies.

What’s happening hormonally

Ovarian hormone production becomes less predictable. These fluctuations can affect cycles, sleep, mood and temperature regulation.

Changes women commonly notice

Irregular cycles
Hot flashes or night sweats
Sleep disruption
Mood changes
Changes in libido

Learn how care is approached on Women’s Hormone Health.

Medical Disclaimer

This content is provided for educational purposes only and is not intended to diagnose, treat, cure, or prevent any medical condition. Individual treatment decisions should be made with a licensed medical provider based on your medical history, symptoms, laboratory results, risk factors, and other relevant information.

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