4WomenOnly is a software system for monitoring for women that allows you to monitor menstrual cycles and maintain and ovulation calendar. It is designed as an aid for for conception or preventing a pregnancy, and also provides tools gender prediction (based on the Chinese calendar) and a due date calculator with detailed birth date statistics. The program provides daily, monthly and 6 month calendar views as well as statistical graphs and daily reminder options. 4WomenOnly supports multiple users and password protections.