Use the Google Health app to track your period

1. Open the Google Health app  and tap the Health tab .
2. Under “Key metrics,” on the Cycle health tile, tap Set up Get started.
3. Tap Agree - or + to adjust how long your period typically is Continue.
4. Tap - or + to adjust how long your cycle typically is Continue.
5. Choose the date your last period started.
6. Tap Continue.
7. Choose which hormonal birth control you use.

You can choose Skip or Continue if you made a selection.

1. Turn Fertility windows on or off.
   • You can choose Skip or Continue if you made a selection.
   • If you want to receive reminders on your phone about when your period is predicted to start, turn on notifications. For more information, refer to Learn how the Google Health app reminds you when your period starts.
2. Turn Get period prediction notifications on.
3. Tap Done.

To show or hide the Cycle health tile:

1. Open the Google Health app .
2. On the Today tab , tap Edit .
3. Turn on Cycle health.
4. Tap Save.

To add a period:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health any day on the calendar.
3. Scroll, then tap Log period.
4. In logging mode, select which days you want to log a period.
5. Tap Save.

To update a period:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health the calendar day you want to edit.
3. Scroll, then tap Edit period.
4. In logging mode, tap once to log a new period day.
   • Tap twice to delete the period day.
5. Tap Save.

To delete a period:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health the calendar day you want to delete.
3. Scroll, then tap Edit period.
4. In logging mode, deselect all days for the period you want to delete.
5. Tap Save.

Add the Cycle health tile to the Fitbit Sense 2 and Fitbit Versa 4 to check your cycle or log a period from your watch.

To install the tile:

1. Open the Google Health app .
2. At the top left, tap Connections your device.
3. Tap Apps Tiles tab.
   • You can have a total of 8 tiles installed on your watch.
   • If you already have 8 tiles installed, tap the tile you want to uninstall Uninstall Remove, then return to the previous screen.
4. Tap the Cycle health tile Install.

To access the tile on your watch:

1. From the clock face on your watch, swipe right or left to find the Cycle health tile. Your current cycle is shown.
2. Tap Log.
3. Follow the prompts to log your period.

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health More Manage data.
3. Tap Delete today's data, Delete all cycle health data, or Delete custom range.

If the delete option for Cycle health data is missing, force quit and restart the Google Health app.

Important: When you log bleed intensity details, it doesn’t add a period to your calendar.

To log details:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health the calendar day you wish to add symptoms and details for.
3. Scroll, then tap Add symptoms.
4. Select symptoms and details you wish to log.
5. Tap Save.

To edit or delete symptoms:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health the calendar day you wish to edit or delete symptoms for.
3. Scroll, then tap Edit symptoms.
4. Select new symptoms or double tap to deselect a symptom.
5. Tap Save.

Tip: Logging your flow details doesn’t log a period. To log a period, refer to Add, edit, or delete a period in the Google Health app.

To log ovulation predictor kit (OPK) test results in the Cycle health tracking feature in the Google Health app, refer to Log, edit, or delete Cycle health symptoms. You can log OPK test results in the Google Health app for iPhone, iPad, and Android phones.

Tip: If your OPK provides high or peak fertility results instead of positive or negative results, log a positive OPK test result when you get a peak fertility reading.

Learn how a logged positive or negative test result affects your predicted period and fertile window

When you log a positive OPK test result or a result that indicates an estrogen or luteinizing hormone surge, your fertile window and next predicted period adjust based on your new ovulation day, which is the day after you log the positive test result.

Your future cycle predictions adjust based on the positive OPK test results you log, but past cycles don't change. If you delete a positive OPK test result in the current cycle, your predicted period and estimated fertile window predictions adjust.

If you log a negative or invalid OPK test result, your predicted period and estimated fertile window in the Google Health app remain the same.

Learn why there’s no estimated fertile window after you logged a positive OPK test result

To check your estimated fertile window in the Google Health app after you log a positive OPK test result, note the following:

• If you log more than 2 positive OPK test results in a cycle, the Google Health app can’t provide an estimated fertile window.

Tip: If you log 2 positive OPK test results in a cycle, you must log them on consecutive days.

• If you log a positive OPK test result that causes your fertile window to shift to a different cycle, the Google Health app can’t provide an estimated fertile window.

Your estimated fertile window automatically adjusts based on the cycle data you enter. You can’t edit fertile windows directly.

To turn off fertile window predictions, refer to Edit your Cycle health settings.

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health to check the calendar with your cycle information.
   • The different colors on the calendar indicate various stages of your cycle.
3. Tap a date to access the Cycle health details you logged for that day and other information.

Refer to this table for information about calendar icons and colors:

Description	Meaning
Logged period day	Dark pink circle
Fertile window day	Dark blue circle
Ovulation day	Dark blue circle with a dotted blue outline
Predicted period day	Dotted pink outline
Today’s date	Thin black outline
Selected day	Thick black outline

Tip: A period and fertile window day can overlap.

1. Open the Google Health app .
2. At the top right, tap your Profile picture or Initial.
3. Tap Google Health Settings Date, time & units.
4. Tap Start Week On and choose which day you want your weeks to begin.
   • Your Cycle health calendar updates automatically.

If you delete a confirmed period and have predictions turned on, the predicted period for that cycle remains present. For more information about the icons and colors on your Cycle health tracking calendar, refer to Read the Cycle health tracking calendar in the Google Health app.

To turn off predicted periods, refer to Edit your Cycle health settings.

Explore your cycle trends to find your average period and cycle lengths, cycle variability, and commonly logged symptoms.

To check your Cycle health trends and history:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health.
3. At the top of the page, tap All time to view your cycle trends and history.

Your cycle trends provide a detailed overview of your reproductive health by analyzing patterns over time.

The Google Health app typically requires at least 3 completed cycles to calculate these trends accurately. Otherwise, it uses the information you provided during setup.

Cycle trends focus on 3 primary metrics to help you understand your body’s unique patterns:

• Cycle length trends: The median number of days between the first day of one period and the first day of the next, calculated over the last 6 months.
• Period length trends: The median number of days your period bleeding lasts, calculated over the last 6 months.

Cycle variability trends: How much your cycle length typically changes from month to month. It is calculated as half the median difference between consecutive cycles over the last 6 months.

Important: If you have any concerns about your cycle, please consult your healthcare provider.

Google Health uses international clinical guidelines to help you identify when your data falls within a "typical" range or when a trend might be "atypical."

Cycle length

• Typical: A cycle that lasts between 24 and 38 days.
• Atypical: Cycles are considered "frequent" if they’re shorter than 24 days or "infrequent" if they’re longer than 38 days.

Period length

• Typical: An average period that lasts 8 days or fewer.
• Atypical: An average period is considered "prolonged" if it consistently lasts longer than 8 days.

Cycle variability

• Typical: A variation of 4 days or fewer between cycles.

Atypical: A variation of 5 days or more is considered atypical and may indicate a more variable cycle.

Important:

• Cycle phases are currently available on the Google Health Mobile app for all Android users.
• This feature is not intended to be used as a form of birth control or family planning. For contraception or conception, please consult with a qualified healthcare professional.

The Cycle health feature helps you track your cycle and identify your cycle phases. Cycle phase calculations require the Fertile window and cycle phases predictions to be turned on. If only Period predictions are turned on, you won’t get cycle phase calculations.

You can view whether you’re in the luteal or follicular phase of your cycle by tapping a day in the calendar and viewing information in the bottom sheet for that day.

You can turn off cycle phases when you turn off Fertile windows and cycle phases predictions.

To control your cycle phases:

1. Open the Google Health app .
2. At the top right, tap your Profile picture or Initial.
3. Tap Google Health Settings Cycle health.
4. Turn Fertile windows and cycle phases on or off.

Update information about your cycle. Update period length, cycle length, and birth control method, and choose whether to show period and fertility predictions and receive notifications.

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health More Cycle health settings.
3. Adjust your Cycle health settings as needed.

Important: You must turn on period predictions to receive period notifications.

Turn on period notifications to receive reminders about your upcoming predicted periods. You should receive a notification 2 days before your period starts and on the first day of your predicted period. You should also have the reminder on your Fitbit device or Pixel Watch in the Google Health Today tab.

For more information about how to turn period notifications on or off, refer to Edit your Cycle health settings.

You can edit the average cycle length and period length you provided during setup. However, these settings only affect your initial predictions.

Keep the following in mind:

• Change your average period length to adjust the length of your initial period predictions. For example, if you change your average period length from 5 days to 8 days, your predictions adjust to reflect this change.
• Edit your average cycle length to adjust the length of your entire cycle. If fertility predictions are on, the predictions for your fertile window and ovulation day adjust based on the length of your cycle.

To change your setup values for average cycle or period length:

1. Open the Google Health app  and tap the Health tab .
2. Under “Focus areas,” tap Cycle health More More options.
3. Turn on Fertility windows.
4. Tap Set up values Period length or Cycle length and adjust the number.
5. Confirm your changes.

For some women, the estimated fertile window and period occur on the same day. For more information, refer to Read the Cycle health tracking calendar in the Google Health app.

If you experience bleeding before your period, sometimes known as breakthrough bleeding or spotting, you can track it when you log bleed intensity details. For more information, refer to Log, edit, or delete Cycle health symptoms.

If your period arrives early, add it as a new period. Your future predictions automatically adjust. For more information, refer to Add, edit, or delete a period in the Google Health app.

Access Cycle health information on your Fitbit device or Pixel Watch

• Fitbit Sense 2 and Fitbit Versa 4:
  1. From the clock face, press the button on your watch to access a list of your installed apps.
  2. Open the Google Health app .
  3. Scroll until you find your Cycle health information.
• Other devices:
  • Swipe up from the clock face and scroll until you find your Cycle health information.

To access Cycle health data on your device, you must set up Cycle health tracking in the Google Health app and log at least one period. For more information about setting up Cycle health tracking, refer to Set up Cycle health tracking.

Remove access to period information on your Fitbit device or Pixel Watch

• Fitbit Charge 3, Fitbit Charge 4, Fitbit Charge 5, Fitbit Charge 6, Fitbit Inspire series, and Fitbit Luxe:
  • Delete all your Cycle health data in the Google Health app. For more information, refer to Add, edit, or delete a period in the Google Health app.
• Fitbit Versa, Fitbit Versa Lite Edition, and Fitbit Versa 2:
  1. At the bottom of Google Health Today, tap Settings.
  2. Turn off Cycle Track.
• Fitbit Sense series, Fitbit Versa 3, and Fitbit Versa 4:
  1. Open the Google Health app .
  2. Tap Edit.
  3. Turn off Cycle health.

To check your most recent information, refer to How do I sync my device with the Fitbit app?

Learn how to use Cycle health features on your Pixel Watch 3 & 4

To use this feature on your device, you must enable it on the Google Health app by following these steps:

1. Open the Google Health app  on your phone.
2. On the Today tab , tap Edit .
3. Turn on Cycle health.
4. Complete Cycle health onboarding in the Google Health app.
5. Open the Google Health app  on your Pixel Watch 3 or 4.
6. Scroll to find the Cycle health tile.

Learn what features are available on the device

You have the ability to log and confirm your period on your device. To check cycle phases or symptoms, go to the Google Health app.

To log your period on your device:

1. Open the Google Health app .
2. Tap the Cycle health tile Log period .
3. Select the dates to log your period successfully.

Manually add data from cycles you tracked outside the Google Health app. At this time, you can’t import data from other apps. To add historical cycle information, refer to Add, edit, or delete a period in the Google Health app.