How do I use the Fitbit app to track my period?

Learn how to set up and use the menstrual health tracking feature in the Fitbit app.

For more information and other questions about period tracking with Fitbit, see What is menstrual health tracking in the Fitbit app?

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What information can I track in the Fitbit menstrual health feature?
Follow your cycle, log periods, record details, and analyze trends at a glance with menstrual health tracking in the Fitbit app.
How do I set up the menstrual health tracking feature in the Fitbit app?
  1. If you don’t already have it, add the menstrual health tile to the Today tab in Fitbit app. For more information, see How do I add or remove the menstrual health tracking tile in the Fitbit app?
  2. In the Today tab , tap the menstrual health tile .
  3. Follow the on-screen instructions to set up menstrual health tracking. You’ll be asked a series of questions about your menstrual cycle. The information you provide is used to make predictions about your future period and fertile windows. You can edit or update your information later.
    1. On the calendar, find the approximate date your last period started.
    2. To edit your average period and cycle lengths, tap the + or - icon to add or subtract days.
    3. Turn on notifications if you want to receive reminders on your phone about when your period is predicted to start. For more information, see Can the Fitbit app remind me when my period will start?
How do I add or remove the menstrual health tracking tile in the Fitbit app?

To show or hide the menstrual health tile:

  1. From the Today tab  in the Fitbit app, tap the pencil icon.
  2. Tap the switch next to on Menstrual Health Save.
How do I add, edit, or delete a period in the Fitbit app?

To add a period:

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap a date in the past.
  3. Tap Log or edit period.
  4. Drag the slider to adjust the duration  Save.

To edit a period:

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap a period on the calendar  Edit period.
  3. Drag the slider to adjust the duration  Save.

To delete a period:

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap a period on the calendar  Edit period  Delete.

If you have trouble adding or editing a period, see our troubleshooting tips.

How do I track or add a period using my Fitbit device?

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

To install the tile:

  1. From the Today tab  in the Fitbit app, tap your profile picture  your device image Gallery.
  2. Tap the Tiles tab.
    • Note: 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, and then return to the previous screen.
  3. Tap the Menstrual Health tile  Install.

To see the tile on your watch:

  1. From the clock face on your watch, swipe right or left to find the Menstrual health tile . Your current cycle is shown.
  2. Tap Log and follow the prompts to log your period.
How do I delete my menstrual health data? 
  1. From the Today tab  in the Fitbit app, tap your profile picture  Account Settings  Delete Data.
  2. Scroll down and tap Menstrual Health Tracking.
  3. Select a date range or set a custom range with the start and end dates of the data you want to delete. To delete all your menstrual health data, select All Time.
  4. Tap Delete.
If you don’t see the option to delete your menstrual health data, force quit the Fitbit app, then reopen it.
How do I confirm a predicted period in the Fitbit app?

During your predicted period, you’re asked to confirm whether your period started. Tap Confirm to confirm that your period started. Tap Edit if your period hasn’t started or you want to adjust the dates.

If you confirm a predicted period, the predicted period becomes a confirmed period. If you don’t confirm a predicted period, the prediction remains on your calendar. After the last day of the prediction window passes, the entire predicted period shifts to the next day. Note that the calendar doesn’t update until after midnight.

How do I log or delete menstrual health details?
  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap a date on the calendar.
  3. Tap the plus icon .
  4. Tap details to log them. To delete a detail, tap it so that the check mark disappears.
  5. Tap Save.

Note that logging your flow details doesn’t log a period. To log a period, see How do I add, edit, or delete a period in the Fitbit app?

For more information about menstrual health details, see our blog post Everything You Need to Know About PMS And How to Cope.

How do I log ovulation test results in the Fitbit app?

To log positive or negative ovulation predictor kit (OPK) test results in the menstrual health tracking feature in the Fitbit app, see How do I log or delete menstrual health details? You can log OPK test results in the Fitbit app for iPhone, iPad, and Android phones.

Note: 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.

How does logging a positive or negative test result affect my predicted period and fertile window?

When you log a positive OPK test result, 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 OPK test result, your predicted period and estimated fertile window in the Fitbit app remain the same.

Why don't I see an estimated fertile window after logging a positive OPK test result?

In order to see your estimated fertile window in the Fitbit app after logging a positive OPK test result, note the following:

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

For more information about ovulation predictor kits, see our blog post: Using Ovulation Predictor Kits to Help You Get Pregnant? Here's What You Need to Know.

Can I edit a fertile window in the Fitbit app?

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

To turn off fertility predictions, see How do I edit my menstrual health settings?

How do I read the menstrual health tracking calendar in the Fitbit app?

From the Today tab  in the Fitbit app, tap the menstrual health tile  to see the calendar with your cycle information. The different colors on the calendar indicate various stages of your cycle. Tap a date to see the menstrual health details you logged for that day and other information.

Note that the gray shading indicates a month, not a cycle.

Refer to the table for more information about the calendar icons and colors:

Icon Description Meaning
Confirmed period Solid pink indicates a confirmed period. If you don’t have your period, you can edit the dates. See How do I add, edit, or delete a period in the Fitbit app?
Predicted period Light pink indicates a predicted period.
Estimated fertile window Solid blue indicates an estimated fertile window.
Estimated ovulation day A flower inside a fertile window indicates your estimated ovulation day.
Confirmed period & estimated fertile window Solid pink and blue overlapping to form purple means your predicted period and estimated fertile window overlap.
Selected day ring A circle indicates the selected date.
Today ring The Today ring indicates the current date.
Logged detail dot A dot underneath a date on the calendar indicates you logged menstrual health details for that day.
How do I change the day of the week my calendar starts to Monday?
  1. From the Today tab  in the Fitbit app, tap your profile picture.
  2. Tap Advanced Settings. You might have to scroll down to find this option.
  3. Tap Start Week On and choose which day you want your weeks to begin. Your menstrual health calendar updates automatically.
What should I know before tracking my period with Fitbit?
  • Instead of tapping the pencil icon, tap and hold your finger on a date on the calendar to add or edit a period.
  • Log your period consistently for more personalized predictions.

Why can't I log or edit a period or menstrual health details in the Fitbit app?

If a period doesn’t meet the following requirements, you may receive an error and be unable to log the period:

  • You can only add or edit current or past periods and details.
  • A period must be at least 1 day.
  • You can log a period of up to 60 days (on Windows 10 devices, the maximum is 10 days). If your period is longer, consider logging flow intensity details.
  • A cycle must be at least 11 days, and there must be a gap of at least 1 day between logged periods. If you experience a gap in bleeding during your period, it’s still 1 period.

Note that If you attempt to log a period in the future or a period with less than a one-day gap between periods, the pencil icon Edit pencil is unavailable. If you don’t see the pencil icon, make sure the period you’re attempting to log or edit meets all of the requirements.

Why do I see a period I already deleted in the Fitbit app?

If you delete a confirmed period and you have predictions turned on, you’ll still see the predicted period for that cycle. For more information about the icons and colors on your menstrual health tracking calendar, see How do I read the menstrual health tracking calendar in the Fitbit app?

To turn off predicted periods, see How do I edit my menstrual health settings?

How can I see trends in my period data?

View your cycle trends to see your average period and cycle lengths, average estimated ovulation day, and graphs of your past cycles and details. Note that you won’t see your average estimated ovulation day if you turned off fertile window predictions. You must log at least 2 periods to see trends.

To see your menstrual health trends:

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile   Trends to view your period trends.
  2. Tap a cycle to see more details, including an overview of the details you logged.
How do I read the graphs of my cycle details in the Fitbit app?

To see the trends for each detail you logged during a cycle:

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile   Trends.
  2. Tap a cycle to see more details.
    • An orange dot indicates you logged a detail on that day.
    • An orange bar indicates you logged flow intensity details on that day. The height of the bar indicates the intensity of your flow.
  3. For information about a certain day of your cycle:
    1. Tap and hold on the calendar that shows your cycle until a vertical line appears.
    2. Drag your finger left or right to choose a day. The number in the top circle is the selected date, and the number in the bottom circle is the day of your cycle. The vertical line helps you see the details you logged on that day.

If your cycle is longer than 60 days, swipe left and right or tap the arrows to scroll through your cycle calendar.

How do I edit my menstrual health settings?

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

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap the settings icon .
  3. Adjust your menstrual health settings as needed.
Can the Fitbit app remind me when my period will start?

Turn on period notifications to receive reminders about your upcoming predicted periods. You’ll receive a notification on your phone 2 days before your period starts and on the first day of your predicted period. You’ll also see the reminder on your Fitbit device in Fitbit Today. For more information, see How can I see my period information on my Fitbit device? Note that you must turn on period predictions to receive period notifications.

For more information about turning notifications on or off, see How do I edit my menstrual health settings?

Can I edit my average cycle or period length?

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. For more information, see our blog post Ovulation, Fertility, and Pregnancy: What It Really Takes To Make a Baby.

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

  1. From the Today tab  in the Fitbit app, tap the menstrual health tile .
  2. Tap the settings icon .
  3. Tap Period Length or Cycle Length and adjust the number.
  4. Confirm your changes.
What do the menstrual health icons mean in the Fitbit app?

The icon shown on the menstrual health tile in the Fitbit app changes depending on where you are in your current cycle.

Image Meaning
If you haven't logged any periods or you aren't using predictions, you see the menstrual health tile with no cycle information. Read the cycle ring (the outer circle) clockwise. The dot on the cycle ring shows where you are in your cycle and that you are approaching your predicted period. It represents your cycle.
When the dot is in the pink section, that indicates you’re on your period.
When the dot is in the blue section, it indicates you’re within your estimated fertile window.

When the dot is in the gray section, that means you’re neither on your period nor on your estimated fertile window.

Period Predictions

To turn on period predictions:

  1. From the Today tab  in the Fitbit app, tap the Menstrual Health tile Tap Settings .
  2. Scroll down to “Predictions, and then turn on both options: show period predictions and show predicted fertility.
Period predictions must be turned on to enable fertility window predictions.
Why do my period and fertile windows overlap?

For some women, the estimated fertile window and period occur on the same day. You’ll see purple shading on the calendar where the 2 windows overlap. Refer to How do I read the menstrual health tracking calendar in the Fitbit app? for details.

For more information, see our blog posts 4 All-Too-Common Period Myths—Debunked and Ovulation, Fertility, and Pregnancy: What It Really Takes To Make a Baby.

How do I log bleeding between my periods?
If you experience bleeding before your period, sometimes known as breakthrough bleeding or spotting, you can track it by logging flow intensity details. For more information, see How do I log or delete menstrual health details?
Do I see a period on the Fitbit menstrual health calendar if I log flow details?
Logging flow intensity details doesn’t add a period to your calendar. To add a period, see How do I add, edit, or delete a period in the Fitbit app?
How do I confirm my period if it arrives early?
If your period arrives early, add it as a new period. Your future predictions automatically adjust. For more information, see How do I add, edit, or delete a period in the Fitbit app?
How can I see my period information on my Fitbit device?

To see menstrual health information on your Fitbit device:

  • Fitbit Sense 2 and Fitbit Versa 4—From the clock face, press the button on your watch to see a list of your installed apps. Open the Today app  and scroll until you see your menstrual health information.
  • Other devices—Swipe up from the clock face and scroll until you see your menstrual health information.

To see menstrual health data on your device, you must set up menstrual health tracking in the Fitbit app and log at least 1 period. For more information about setting up menstrual health tracking, see How do I set up the menstrual health tracking feature in the Fitbit app?

If you don’t want to see period information on your Fitbit device:

  • Fitbit Charge 3, Fitbit Charge 4, Fitbit Charge 5, Fitbit Charge 6, Fitbit Inspire series, and Fitbit Luxe—Delete all your menstrual health data in the Fitbit app. For more information, see How do I add, edit, or delete a period in the Fitbit app?
  • Fitbit Versa, Fitbit Versa Lite Edition, and Fitbit Versa 2—Tap Settings at the bottom of Fitbit Today and turn off the Cycle Track tile.
  • Fitbit Sense series, Fitbit Versa 3, and Fitbit Versa 4—Open the Today app, and tap Edit at the bottom. Then turn off the Menstrual Health tile.

Sync your Fitbit device to see your most recent information.

Can I see my cycle information on the fitbit.com dashboard?
At this time, menstrual health tracking is available in the Fitbit app.
How do I add previously tracked cycle information to the Fitbit app?

Manually add data from cycles you tracked outside the Fitbit app. At this time, you can’t import data from other apps. To add historical cycle information, see How do I add, edit, or delete a period in the Fitbit app?

For more questions about tracking your period with the Fitbit app, contact Customer Support.

This feature is not intended to be used for contraceptive or other medical purposes. Fitbit does not guarantee or warrant that this feature can be used to achieve particular results. This feature may not accurately predict your menstrual cycles or related information. This feature is intended only to help users monitor and keep track of certain information.

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