Introduction : Rupture uterus is one of the most dreaded complication of child birth with potentially grave conesquences..The incidence varies from country to country, and is still high in developing ones like ours. Ainis And Objectives : I.To know incidence of rupture uterus 2.To study the etiological factors leading to of rupture uterus 3.To study meaernal and fetal morbidity and moratlity in rupture uterus Methods & Materials : Cases of rupture uterus presenting in labour room in dept of obstertics and gynaecology of guwahati medical college from Sept.