Period Calendar is a very easy to use menstruation and ovulation calculator to help you get or avoid pregnancy naturally. By actively learning your menstrual cycle from basal body temperature, period patterns and other symptoms, this menstrual cycle app can accurately predict your next periods, ovulation and safe days.

Why it is so important for women's health to track periods and fertility, and why this menstrual cycle calendar is a very convenient and effective way to do it. Even the simple tracking of the menstrual cycle with the periods marking helps a woman to better plan her work calendar and weekends. Such a calendar can also help calculate each woman's fertile window and even accurately predict the ovulation day. In this way this ovulation calculator allows those who want to get pregnant to know a day when the probability of pregnancy is quite high. A better understanding of the menstrual cycle, ovulation calendar and safe days also allows women to avoid unwanted pregnancies. And what's more, tracking many symptoms specific to each woman, such as mood swings or some pains, can help improve women's health significantly.