cycle tracker-ovulation tracker and calendar-Ovulation and Fertility-Period Tracker-vulation calendar-pregnancy calendar-menstrual cycle tracker-calendar and pregnancy-Health & Fitness - Period Tracker: Period calendar allows users to record ovulation and menstrual cycle and get reminders about when their period is due. - Ovulation Calendar: This helps you know the highest chances of getting pregnant. Ovulation calculator can easily calculate (how long does ovulation last) (how many days after o