Menstrual cycle Menstrual cycle is the monthly cycle in women that starts with production of oocytes and ends with bleeding. It is a monthly changes in women reproductive system that occurred naturally. It is very important for women to reproduce oocytes in order to get pregnancy. Menstrual cycle is a process of discharging of unused oocytes with blood and reproducing new oocytes to conception with sperm. But, a group of women is found to suffer with irregular menstrual cycle. Menstrual is a regular part of any women body. Hence, it should be regular and any types of chaotic free. A certain types of physical complication is responsible for irregular menstrual cycle. There have some common types of physical complication before menstruation. These are acne, irritability, mood change. Very specific and scientific cause of being irregular menstrual cycle happen at the first level of menstruation, when a girl introduces with menstrual cycle and it may continue few years. This irreg...