Learn your days of ovulation, menstruation, fertile days and safe days for having sex. The female conception and ovulation calendar is an easy-to-use application that serves to calculate the menstrual cycle and the most appropriate period of conception for a child. Specify the date of the last menstruation and its duration and the total duration of the cycle. In the calendar of ovulation will be marked fertile days, in them the probability of conception is high enough, as well as the days of ovulation, when the probability of conception is maximal. The task of the women's calendar to help a woman determine the days of increased fertility (ovulation), these days the conception of a child is most likely. And thanks to the calculation of the so-called safe days for sex, the ovulation calendar will avoid unwanted pregnancies, without using medicamentous and mechanical contraceptives.