Background and Design.- This study was carried out to determine and discuss the current status of Congenital Diaphragmatic Hernia (CDH). For this reason 74 newborns with CDH, which were tre¬ated in our unit between 1978-1998 were revi¬ewed retrospectively. The cases have been divided into two groups as Group I which corresponds to cases admitted before 1992 and group II which corresponds to cases admitted after 1992. Age at admission; type of defect and surgical techniques in relation with mortality and complication rate were compared between these groups. CDH was diagnosed using prenatal ultrasound, postnatal clinical evaluation and x-ray studies. In addition, all cases in Group II have been controlled with blood gas samples. Results.- While in group I surgery was performed on an emergency basis within first 6 hours after admission, this time extended to 16 hours for Group II cases until stabilization had been achi¬eved. 61 of 74 patients could be operated (Group I: 50, Group 11:11). Primary closure was the surgi¬cal procedure of choice regardless of the size of the defect. In the series, associated anomaly inci¬dence was 36.2%, complication rate was 33.8% and mortality rate was 35.1 %.. Conclusion.- Although there was a statistical dif¬ference in regard to complication rate between the groups, there was no significant difference between the mortality and type of diaphragmatic defect. Additionally there was no statistical signi¬ficance between the preferred surgical technique, the type of defect and the mortality.