Downloadable computer application software for mobile phones, portable devices and handheld computers, namely, software for use in database management and use in electronic storage of data; Downloadable mobile applications for use in database management and use in electronic storage of data; Downloadable mobile applications for tracking and predicting menstruation periods, ovulation, fertile window, and pregnancy chance; Downloadable mobile applications for tracking pill intakes and giving pill reminders; Downloadable mobile applications for providing intuitive charts for data tracked and recorded; Downloadable mobile applications for providing methods to backup and restore data; Downloadable mobile applications for customizing options provided to meet individual needs, namely, customizing reminder messages including when to take what kind of contraceptive methods; Downloadable mobile applications for recording data about users who are trying to conceive, are pregnant, or are practicing birth control; Downloadable mobile applications for offering personal light diary and secretary services to users, namely, writing quick notes of personal daily moods, daily findings, health symptoms, and offering timely reminders of personal period cycles, reminders of personal most fertile days, reminders of practicing contraceptive methods, pill in-take reminders, insights of baby's weekly growth, and healthcare predictions and tips