What is menstrual health tracking in the Fitbit app?

This article includes information about how to use menstrual health tracking in the Fitbit app to help predict periods, see your estimated fertile window, and more.

For step-by-step instructions on logging your cycle data in the Fitbit app, see How do I use the Fitbit app to track my period?

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.