BACKGROUND: The menstrual cycle is an integral aspect of women’s life in the reproductive age group. Menstrual irregularities is related to a number of factors related to lifestyle that includes stress, obesity, smoking, alcohol consumption and The aim of this investigation was to consuming birth control pills. This study was conducted to study lifestyle impact on menstruation and its abnormality.METHODS This study was conducted as an observational study on 384 participants in the 18–30 age range. The study included a standardized survey with questions about lifestyle, physical activity type, and changes in menstrual factors and the menstrual cycle. RESULTS In this study 47.39% of women are prevalent to menstrual abnormality. The study identified that almost 50 % of the population were having sedentary lifestyle. The study population was experiencing high levels of alteration in physical activity and had a higher incidence of occurrence of dysmenorrhea, polymenorrhea and premenstrual symptoms. This in turn can cause delayed ovulation and thus result in a delayed menstruation. CONCLUSION The findings shows that there are significant impact on menstruation in sedentary lifestyle individuals in compared to active lifestyle.