Menstrual Period Tracker and Ovulation Calendar (was Menstruation and Ovulation Calendar) is a menstrual period tracker with pregnancy mode. Features Smart calculation: if you enter period dates that are different from predicted days, the app recalculates its predictions. iCloud support (synchronizes data between all your devices). Today widget (extension). Keeps history of your menstrual cycles. Can different symptoms (e.g. migraine or abdominal pain). Symptom names may be changed. Calendar colors may be changed. Can track body temperature (in Fahrenheit and Celsius degrees). Displays basal body temperature charts. Text notes (e.g. about period, taken medications, mood, friends) may be attached to each day. Automatically predicts menstruation periods. Automatically predicts probable ovulation days. The user interface is easy to use and looks good. Full screen mode. Password protection (if you forgot your password, please enter: passwordrecovery111).