Aim: The aims and objective of the study to evaluate the menstrual characteristics in relation to ovarian cancer risk overall, and in relation to the major tumour histologic subtypes. Methods: A prospective, randomized study was conducted in the Department of Obstetrics and Gynecology. In all about 100 patients with palpable abdominal and pelvic adnexal mass with ovarian pathology were included for this study. Results: Out of 100 patients 40% was 20-30 years age group and followed by 30-40 years. It is evident from the above table that 92 patients were married giving the incidence of 92% while 8% of cases were unmarried. It is evident that 68% had regular menstrual cycle, 7% had surgical menopause, 3% had lactational amenorrhoea, 8% had amenorrhoea of pregnancy and 10% had physiological menopause, Secondary amenorrhea 2% and Bleeding P/V after amenorrhea was 2%. Conclusion: We conclude that there was no significant relation between menstrual history and occurrence of ovarian tumour.