Cycle Tracking Cycle Tracking provides a convenient and discreet way to track your menstrual cycle using Apple Watch. Easily log your period, including flow levels, symptoms and fertility information. Choose to receive notifications for when your period or fertile window is about to begin. Features • Use the daily log to note flow level and any symptoms such as cramps, headaches and bloating. • Easily track results from ovulation prediction kits or readings from a basal body thermometer • Cycle Tracking will display a prediction for when your next period will start and your fertile window. • Turn on notifications so you can receive an alert before your period or fertile window is likely to start. • See additional detail including your cycle history and statistics in the Health app on iPhone • All data from the Cycle Tracking app is stored and encrypted on device and in iCloud should you choose to use iCloud