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© 2026 Hysteron Ltd. Company No. 15774204. 20 Wenlock Road, London, N1 7GU.

Hysteron is not a diagnostic service or replacement for your existing medical care.

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The science of midlife, explained. Research, insights, and everything we wish someone had told us sooner.

Illustration of a woman in profile filled with a zigzagging line graph, for a guide to what perimenopause is

Featured

Foundations

Menopause Symptoms: The Full List

From brain fog and joint pain to palpitations and dry skin, the full list of menopause symptoms, including the ones most women are never told about.

By Hysteron·3 min read
Illustration of a woman balancing a tower of everyday things, for an article on stress, cortisol and menopauseHormones

Stress and Menopause: Cortisol, Your Hormones and What Helps

Why stress can feel harder in perimenopause, how cortisol and oestrogen interact, and the approaches with evidence behind them for feeling steadier.

6 min read

Illustration of a woman talking with her GP, for a guide to talking to your GP about menopauseTreatment

How to Talk to Your GP About Menopause (Including What to Say If You Get Dismissed)

What to bring, what to ask for and what to say if you feel dismissed. A practical guide to getting more from a GP appointment about perimenopause.

4 min read

Illustration of a level seesaw with two spheres, for a balanced guide to what HRT isTreatment

What Is HRT? A Clear, Balanced Guide

What hormone replacement therapy is, how it works, the different types, and a balanced look at benefits and risks so you can make an informed choice.

4 min read

Illustration of a woman by a window with a cloud turning to sun, for an article on mood changes in perimenopauseSymptoms

Mood Changes in Perimenopause: Anxiety, Low Mood, and Your Hormones

Anxiety, low mood and irritability can be part of perimenopause. How hormones affect mood, who is more likely to be affected, and what support helps.

4 min read

Illustration of a butterfly on a thermostat dial, for an article on thyroid and menopause symptomsHormones

Your Thyroid and Menopause: Why They Get Confused All the Time

Thyroid problems and perimenopause share many symptoms and often appear in midlife. Where they overlap, where they differ and why checking both helps.

4 min read

Illustration of a woman connecting cables at a switchboard, for an article on what oestrogen does in the bodyHormones

Oestrogen: What It Does, Why It Matters, and What Happens When It Falls

Oestrogen does far more than run your cycle. What it does for your brain, heart, bones and skin, and what changes as levels fall in perimenopause.

4 min read

Illustration of a woman walking a line graph that settles into a plateau, for a guide to what menopause isFoundations

What Is Menopause? Everything You Need to Know

What menopause is, when it happens and what changes in your body, from hormones to heart and bone health. A plain-English guide, backed by research.

4 min read

Illustration of a woman in profile filled with a zigzagging line graph, for a guide to what perimenopause isFoundations

What Is Perimenopause? The Stage Nobody Warned You About

Perimenopause is the transition before menopause, and often the most disruptive part. What it is, what it feels like, and why it's so often missed.

4 min read

Illustration of a zigzag graph with a lens over one peak, for an article on FSH and LH testsHormones

FSH and LH: What These Hormones Tell You About Menopause

Why a single FSH result can't tell the whole story in perimenopause, what FSH and LH measure, and why tracking over time gives a clearer picture.

3 min read

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