Everybody, even being not a doctor, knows that a pulse, temperature of body, breathing and pressure, give almost exhaustive state information organism."Almost" - because women have a fifth index of health, on that, unfortunately, the few pays attention still, is a menstrual cycle. Short or long, regular or unforeseeable - a cycle can be very different, and every his parameter, every change serve by the indicator of one or another problem in an organism. you plan pregnancy or no, ovulation matters for maintenance of health.The author of this book will tell that exactly influences on the state of menstrual cycle, and will teach you to make his chart for the maximally exact and comfortable watching of different changes and control of health.