الفهرس 
Introduction
IncidenceOnly 14 pages are availabe for public view
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Abstract
Birth asphxia is a relatively common clinical event. The degree of functional abnormality of the newborn secondary to asphyxia depends on the severity, timing and duration of the insult. A history of significant fetal distress, including evidence of acute or chronic placental insufficiency, fetal heart rate or pH abnormalities, clinical evidence of fetal malpositioning, protracted or difficult delivery, extensive meconium in amniotic fluid, or maternal hypotension are suggestive of HIE. The present study was conducted to study the contribution of different risk factors for neonatal hypoxia in the development of hypoxic ischemic encephalopathy with its different grades in MUH. For this purpose, files of 200 babies with documented HIE and 200 full term normal babies born from Jan, 1997 to Dec, 2000 were studied babies either born in MUH obstetric Department or referred from other Hospitals were studied. Our study revealed the following: Significantly high difference between cases and control groups regarding the mode of initiation of labor whether spontaneous or induced, the type of delivery either spontaneous, ventose or cesarean section. Primigravida, higher multigravida, ventose delivery, induced labour by oytocic drugs were found to be associated with high HIE grades; When we studied the impact of drugs intake, there was a highly significant correlation between use of anasthesia, sedatives, oxytocic drugs and barbiturate and higher grades of HIE (grade II and III), and there was a less significant difference between the use of tocolytic drugs and hypotensive agents and the grade of HIE.