Device for calculating anticipated days for menstruation

摘要

The present invention is a menstrual cycle calculation device, including a calendar, which has a time period spanning more than two months displayed thereon. The device includes a first date indicator movable with respect to the calendar to identify a first date on the calendar. This first date corresponds to a first day for taking a first cycle of an oral contraceptive regimen. The device also includes at least one range indicator that moves in a corresponding manner with the first date indicator to show a range between two dates on the calendar. This range corresponds to days wherein a menstrual period is expected. The present invention also is directed towards a method for calculating dates of menstrual cycles several months in advance using such a device.