JX Ovulation Calendar is a software especially designed for the ladies. It is an easy and friendly ovulation calculator. The program calculates your fertile days and considers the possible fluctuations of your menstrual cycle in order to help you avoid unwanted pregnancy. It can also help you to know the best days for conceiving a boy or a girl. The program will inform you about important changes in your menstrual cycle to help you to know the best opportunities to get pregnant or avoid unwanted pregnancies. JX Ovulation Calendar can help you generate a personalized calendar according to your menstrual cycle.