JX Ovulation Calendar is an easy and user-friendly ovulation calculator for women. The program calculates your fertile days and considers your menstrual cycle's possible fluctuations to help you avoid unwanted pregnancy or find out the most prospective days for conceiving a boy or girl. The program will notify you of important changes in your menstrual cycle and thus help you catch the opportunity that fortune sends your way or protect yourself from unwanted nuances. JX Ovulation Calendar is a program that generates your personal fertility calendar!