There is little attention has been directed towards infants who are larger for gestational age. In the present study our aim is to study the problem of fetal macrosomia with its fetal and maternal complications and its impact on the management of pregnancy and labour. A study of the incidence of fetal macrosomia in The Casuality department of obstetrics and Gynecology, Kasr El Aini Hospital , Cairo University, during the period between January 1-2000 and June 30-2000 is presented. This study enrolled 6396 patients in a retrospective manner to get different items mentioned in the patients files such as maternal age , gestational age , parity ,mode of delivery, diagnosis and fetal weight and sex. Fetal macrosomia (fetal weight 4000gm or more) constitutes a considerable problem with a high incidence that faces the workers in the field of obstetrics and needs a good diagnosis and management and must not neglected as maternal and fetal morbidity and mortality are so dangerous.