The aim of this study was to identify the value of hysteroscopy in detection of the relationship between missed miscarriage and intrauterine pathologies. The study was held at the Department of Obstetrics and Gynaecology, Benha University. It included 90 women with 1st trimester missed miscarriage who were examined by diagnostic hysteroscopy immediately before dilatation and curettage (D&C) and 6-8 weeks after D&C (second look hysteroscopy).