Irregular Menstruation among University Student in Tamil Nadu, India: A Study on Prevalence and Associated Factors

Abstract: Background: Menstrual irregularity is a common gynaecological issue that can significantly impact women’s quality of life and academic performance. Various factors including, age, reproductive characteristics, lifestyle, and physical activity, can influence menstrual patterns. Objective: To estimate the prevalence of menstrual irregularities and associated factors among university students in Tamil Nadu. Methods: A descriptive cross-sectional study was conducted among 1000 university students aged 18-25 years. A structured questionnaire was used to collect data on socio-demographic profiles, menstruation characteristics, reproductive health, and lifestyle factors. Data were analyzed using STATA SE 17, with multivariate logistic regression to identify the factors associated with irregular menstruation. Results: The prevalence of irregular menstruation was 23.6% (n=236). Factors significantly associated with irregular menstruation included age (20-21 years: AOR=1.5; 95% CI [1.07, 2.26], 22-23 years: AOR=1.8; 95% CI [1.14, 2.84]), family history of irregular menstruation (AOR=2.7%; 95% CI [1.82, 4.05], skipping meals (AOR=1.59; 95% CI [1.05, 2.04]), and the presence of clots during menstruation. Unhealthy dietary habits, such as junk food and soft drink consumption, were also significantly associated with irregular menstruation. Conclusion: The study highlights the prevalence of irregular menstruation and its associated factors age, lifestyle, and family history. The students should practice healthy dietary habits and stress management that may help in reducing the risk of menstrual irregularities among university students.