ABSTRACT
To find out different causes of adolescent menorrhagia. Cross-sectional descriptive study. This study was conducted in Department of Gynecology and Obstetrics Fauji Foundation Hospital Rawalpindi from 1[st] April 2011 to 31[st] December 2011. Fifty one un-married patients aged 9-19 years with menorrhagia were selected by non probability convenience sampling. All the details of history including blood loss, clinical examination and investigations were recorded in a proforma for analysis. The most common cause of menorrhagia was dysfunctional uterine bleeding [76.5%] followed by thyroid disorders [13.7%] and bleeding disorders [9.8%]. Dysfunctional Uterine bleeding [DUB] was found to be the commonest cause of adolescent menorrhagia. Patients with adolescent menorrhagia should be carefully investigated for different causes as timely intervention can help these young patients