Menstrual health matters

Perimenopause - a definition

Perimenopause - a definitionby: Fiona CatchpowlePublished on: 18/03/2026

A definition of perimenopause and other stages of ovarian aging were defined back in 2011 by STRAW+10. If we all used the same definitions it would make more sense.

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Perimenopause - a definition

The Four Swans: Busting the Myth of Estradiol Decline

The Four Swans: Busting the Myth of Estradiol Declineby: Fiona CatchpowlePublished on: 14/09/2025

The “low oestrogen” story dominates menopause narratives, yet SWAN research shows four estradiol trajectories with episodic surges, not steady decline. Learn why this changes how we understand perimenopause and symptom patterns.

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The Four Swans: Busting the Myth of Estradiol Decline

The Menstrual Health Timeline

The Menstrual Health Timelineby: Fiona CatchpowlePublished on: 14/09/2025

The menstrual health timeline reveals ovarian ageing as a lifelong story, not just reproduction on a countdown. This article explains why reproductive aging clouded the truth and why professionals need the missing map.

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The Menstrual Health Timeline

The Rhythm Within

The Rhythm Withinby: Fiona CatchpowlePublished on: 13/09/2025

The Rhythm Within offers a four-phase framework to understand menstrual cycles as repeating whole-body rhythms. Discover how energy, sensitivity, and signals shift across each phase.

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The Rhythm Within

a free practitioner's guide

Beyond the Bleed: 5 Shifts That Redefine Menstrual Health

Made for More that Periods & Perimenopause

Start making a real impact today.

Why You Need This Guide

Beyond the Bleed is a short, sharp, 5-minute read designed to:.

  • Learn five essential shifts that reframe menstrual health as a whole-person story, linking ovarian rhythms to energy, mood, sleep, and recovery.

  • Learn five essential shifts that reframe menstrual health as a whole-person story, linking ovarian rhythms to energy, mood, sleep, and recovery.

Our Mission

Decades of incomplete information has left a legacy of misunderstandings that are affecting health outcomes on a global scale. We will create a worldwide collective of menstrual and menopause health informed professionals so every menstruator has the knowledge and support to take their next best step as they travel along the menstrual health timeline.

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