Ovulation Calendar 1.0

From the developer: ""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.""

Note: The trial version does not allow you to choose the gender of your future baby; and it does not calculate due dates and Zodiac signs.