Wantasoft Cycles Calendar   
http://www.wantasoft.com

It is an easy-to-use program with advanced Outlook style calendar which helps you to watch your regular or irregular menstrual cycles. It shows you the fertile days (days with increased probability of pregnancy), ovulation days and predicts your baby's gender ( displays days with a bigger probability of having a boy or a girl), automatically saves user changes and other cool features. You can specify menstrual bleeding duration, subject, description, average cycle duration and optionally the ovulation day for each cycle. You can easily print your calendar with a specified date range, view the prognoses of your future periods, view the statistics of your periods duration. You may use this full version (without any limitations of functional capabilities) software for evaluation purposes for 15 uses before registration is required. Be modern :) Watch your periods on your desktop with advanced menstrual cycles calendar!