Learn your body.
Understand your mind.
The biology and the psychology of menstruating, written like a smart friend explains it — not like a leaflet. Free, cited, and made for everyone in the room.
Four pillars
Pick where to start
The Body
Anatomy, hormones, and how the cycle actually works.
The biology — from the pituitary to the pelvis — explained in plain English. No pastel euphemisms, no vague 'hormonal' hand-waving.
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The Mind
PMDD, mood cycles, and the psychology of menstruating.
How the cycle interacts with mood, memory, anxiety, and trauma — and what the research says beyond 'hormonal woman' tropes.
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Life Stages
First period to menopause, with the biology at each turn.
What changes when — puberty, pregnancy, postpartum, perimenopause — and why symptoms shift with each stage.
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Advocacy & Culture
Bias in gynae research, medical gaslighting, your rights.
Why women's health has been under-studied and under-treated — and how to advocate for yourself in the room.
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Start here
3 lessons picked for you
body · 8 min
The menstrual cycle in 8 minutes
The four phases, the hormones that drive each one, and what your body is actually doing behind the scenes.
mind · 6 min
The cycle-mood loop
How estrogen and progesterone influence serotonin, dopamine, and the nervous system — and why some weeks feel like a different person.
journey · 6 min
First period: the biology, not the folklore
What menarche actually is, why it happens when it does, and what a first year of periods really looks like.
How you like to learn
Read, listen, watch, do
Read
Long-form explainers with cited sources. Everything on Learn today.
Listen
Audio versions of top lessons — coming soon.
Watch
Short explainer videos on hormones, PMDD, and perimenopause — coming soon.
Do
Self-check questions in every lesson. Try one now.
More libraries
Beyond Learn
The Bae Guide
Plain-English explainers on periods, PCOS, endo, and more.
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Guidance Library
NICE and NHS guidance, decoded for real people.
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Courses
Structured multi-lesson courses with progress tracking.
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Women's Health A–Z
Every condition, alphabetised.
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Know Your Rights
What you're entitled to at work, school, and the GP.
Open
For parents
First periods and puberty, without the folklore.
Open