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Evidence-informed care, shaped by your reality.
Built for your cycle. Designed for your life.
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What's Really in Your Period Pad?
The product that sits against one of the most absorbent parts of your body for days every month — and we rarely question what's inside it.
Read the feature →Tools to support your health
Cycle and symptom tracker
Track your cycle, symptoms and patterns in one gentle, easy-to-use space.
Open tool →Period and late period calculator
Wondering when your period might arrive — or why it's late? Start here.
Open tool →Ovulation estimator
Get a simple estimate of your fertile window without the complicated maths.
Open tool →PCOS insights
Learn how PCOS shows up and what questions to ask your doctor.
Open tool →Latest from the Olanna library
What's really in your period pad? And what can we use instead?
A South African study found endocrine-disrupting chemicals in leading pad brands. Here is what the research says — and what to use instead.
Periods · HealthWe should all be worried about irregular periods
Irregular periods are a health signal, not a personality trait. Learn what they mean and when to seek help.
PCOS · BasicsIs it PCOS? The signs your body has been trying to tell you
A calm, clear introduction to polycystic ovary syndrome.
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