guide ยท PCOS / PMOS

Tracking your periods with PCOS

PCOS often means long gaps, unpredictable cycles, and symptoms that are easy to forget by the time you see a doctor. A good log makes those conversations easier.

PCOS has a new name: PMOS

The NHS now calls polycystic ovary syndrome (PCOS) polyendocrine metabolic ovarian syndrome (PMOS). It's a hormone condition that can affect periods, hair growth, skin, fertility, and mood. It usually starts around puberty and can continue until menopause. There's no cure, but treatments and lifestyle changes can help.

Common symptoms

Symptoms can be mild, severe, or absent, and they have many possible causes, so they don't confirm PMOS on their own. The NHS suggests seeing a GP if you think you might have it or if symptoms affect your everyday life.

What to track with PCOS

How Rue helps

Rue was built for cycles that don't follow a schedule. It predicts from your own history instead of a 28-day average, shows an honest range, and never treats a long cycle as a mistake. If it's been a long time since your last period, Rue shows a gentle notice based on NHS guidance about missed periods.

Before an appointment, the free doctor visit summary collects your cycle lengths, the range of your cycles, long gaps, and questions to ask, and you can export everything as a spreadsheet.

Try Rue free on iPhone.

No account, no ads, no data sold. Your data stays on your devices and your own private iCloud.

Download on the App Store

Common questions

Rue is a period tracker built for irregular cycles, including PCOS. It doesn't assume 28 days, shows an honest range for your next period, and helps you build a clear record for your doctor.

The NHS now uses the name polyendocrine metabolic ovarian syndrome (PMOS) and notes that it used to be called polycystic ovary syndrome (PCOS). Both names refer to the same condition.

No. Rue doesn't diagnose any condition. It helps you track periods and symptoms so you can talk to a doctor with clear information.

Yes. Rue has no account and no servers. Your data stays on your devices and your own private iCloud, and Rue never sells or shares it.

Sources
NHS: PMOS (formerly PCOS)
NHS: Irregular periods
NHS: Stopped or missed periods

Rue is not a medical device and doesn't diagnose conditions. This page is general information, not medical advice. If you're worried about your periods, talk to a doctor.

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