Keeping track of your menstrual cycle is very good and whether your flow was heavy, normal, or light. It can help you to be prepare for your coming period date and better, You can simply guess the right period coming date. menstrual cycle will never be on same day, It can keep on changing the Cycle date. As you get older there are chances that the length of your menstrual cycle may even change. Sometime you may experience early Menstrual period Cycle and sometime delay in Menstrual Cycle. The ovulation takes place in women when the follicular phase ends. Its takes Around 14th day of your menstrual cycle, your ovaries will release egg with the help of estrogen hormones. This is called ovulation and Menstrual Cycle.