Period mate is a calendar that you can use for tracking menstrual cycles monthly and/or annually without time limitation. If you are planning to get pregnant or avoid pregnancy this application will help you to be aware of ovulation date so manage your fertility plan. As you know the most fertile days in your cycle are the days leading up to ovulation . If you have irregular periods and can’t control your ovulation and fertility window, you can estimate your next period and ovulation day, therefore, plan for pregnancy or prevent pregnancy easily. It also enables you to log different methods of birth control and other medicine you might use and set a reminder for them. You may have regular periods but forget the date because of your busy life. Simply set a reminder for the next period or ovulation .