To determine the level of satisfaction the effect of oregano water in irregular menstrual cycle. To do a study on 50 women in Chennai who have irregular menstrual cycle by giving oregano water to them. The study involves around 20 questions on various effect of drinking oregano water and knowledge about their personal health.The study focused on irregular menstrual cycle in women. Since irregular menstrual cycle is very common among developed population due to obesity many women difficult to face many situations. now a days irregular menstrual cycle is common findings in women among 40-50% .So by giving oregano water to cure the problem.