This is a prospective study of (80) cases of infantile hypertrophic pyloric stenosis (I.H.P.S.) who were admitted to the children welfare Teaching Hospital in the period from January 2010 to October 2011. The aim of this study is to analyze the patients according to their age at presentation, sex, family history, body weight at operation, feeding history and general condition of the baby with the result of surgical intervention. Keywords: IHPS, gastric outlet in infants, CHPS, congenital hypertrophic pyloric stenosis
