Ovulation Calendar is a handy program that calculates the time of ovulation and creates your personal fertility calendar, allowing you to choose the gender of your future baby.

Ovulation Calendar calculates the probability of conception based on your ovulation time and other factors such as lifespan of the egg and sperm; and shows you the days that are most promising for conception.

You can increase your chances of having a boy or a girl by choosing the right time for intercourse. Ovulation Calendar helps you calculate the perfect time for conception, increasing your chances of conceiving a boy or a girl.

Ovulation Calendar can help you avoid an unwanted pregnancy. It calculates the unsafe days taking into account possible variations in your menstrual cycle, helping you avoid an unwanted pregnancy.

The program sits in the Windows tray, near the clock, and reminds you about important changes in your fertility. For example, you can configure Ovulation Calendar to show pop-up reminders on the days that are optimal for conceiving a baby boy.

You don't have to know anything about corpus luteum, progesterone levels, or LH surges - Ovulation Calendar does all this work for you. All you need to get started is the length of your menstrual cycle and the Datum of your last period. Simply enter these data and Ovulation Calendar will do the rest!