privacy-in-practice

Cycle Prediction Data Privacy Checklist

A plain privacy checklist for period calculator and cycle prediction data, including labels, widgets, shared accounts, exports, backups, reminders, screenshots, and portals.

Cycle predictions can feel exact.

They are still estimates.

A period calculator may use period dates, cycle length, symptoms, and labels. It may also show those guesses on widgets, reminders, reports, and exports.

Use this checklist to see what you are saving and where copies may go.

This is not legal advice. It is not medical advice.

1. Write down what the tool asks for

List the data before you enter it.

Data asked for Needed? Skip if possible Note Last period start date Average cycle length Period end date Flow notes Pain notes Mood notes Sex notes Pregnancy test notes Ovulation test notes Birth control notes

Dates may be enough for a simple estimate.

Use less detail when less detail works.

2. Treat the result as an estimate

Office on Women's Health says cycle length can differ by person and by month.

ACOG defines the cycle from the first day of bleeding to the first day of the next cycle.

That means a calculator is using a pattern. It is not seeing your body.

Write results this way:

Avoid writing guesses as facts.

3. Review prediction labels

Apps may show labels such as:

Period due. Ovulation. Fertile window. PMS. Late period. Pregnancy test. Sex. Cervical mucus.

Ask where each label appears.

Place Can labels show there? Fix Lock screen Hide previews or turn off alerts Home screen widget Remove or rename Watch Turn off mirror alerts Car display Turn off phone alerts there Shared tablet Remove widget or sign out Calendar Use a neutral title Email report Share a short summary first

For reminder text, use make period app notifications private.

4. Check shared accounts

Shared accounts can make private estimates visible.

Shared Apple ID. Shared Google account. Family calendar. Partner app login. Work phone. School phone. Shared tablet. Shared computer. Phone repair or backup account.

If someone else can open the account, treat prediction labels as shared.

For shared phones, use the period tracking on shared phone checklist.

5. Check copies outside the app

Prediction data can leave the app in normal use.

Copy What to check Screenshot Did it save in Photos? Export Did it include predictions or private notes? PDF Did it save to downloads or cloud drive? Calendar sync Did labels move to another calendar? Backup Does the backup include app data? Email Is a report in sent mail? Text Did a screenshot stay in a chat? Portal Did you upload a full report?

Deleting the app may not remove these copies.

6. Share a small summary first

If you need to share cycle notes, start small.

Use a table if it helps.

Item Summary Date range Period start dates Estimate I want to ask about Data I do not want to share Question

Do not upload a full report unless you choose to.

7. Ask before trusting an app claim

For any period calculator, ask:

Does it work without an account? Does it store data on the device or on servers? Does it sync by default? Does it collect location? Does it show prediction labels in widgets? Does it let me rename reminders? Does it export all notes by default? Does it explain deletion? Does it name analytics or ad partners? Does it say which laws may apply?

The FTC says health app makers should minimize data and limit access.

HHS says HIPAA and other laws may apply in some health app settings.

Do not assume one law covers every app.

8. Cleanup checklist

Remove old screenshots. Delete extra exports. Check calendar sync. Check watch and widget labels. Check cloud drive. Check downloads. Check sent email. Check text threads. Check portal uploads. Keep the notes you still need.

Do not delete records you need for care, school, work, or safety.

Floriva note

Floriva can keep short period and cycle notes on your device.

That can reduce some company held copies.

It does not make every copy private. Screenshots, exports, backups, portals, shared accounts, and messages still need review.

For a simple calendar cleanup, use the period calendar privacy checklist.