الفهرس 
Introduction and Aim of the WorkOnly 14 pages are availabe for public view
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Abstract
Birth defects, encountered frequently by pediatricians, are important causes of childhood morbidity and mortality. Birth defects can be classified according to their severity, pathogenic mechanism, or whether they are involving a single system or multiple systems.
Approximately 40% to 60% of congenital anomalies are of unknown origin. The etiology of Congenital Malformation is genetic (30-40%) and environmental (5 to 10%). Among the genetic etiology, chromosomal abnormality constitutes 6%, single gene disorders 25% and multifactorial 20- 30%; however, for nearly 50% of congenital anomalies, the cause is yet to be known.
In the present cross sectional study, our aim work was to detect the frequency of the occurrence of congenital anomalies in newborn admitted to NICU in Benghazi – Libya in the previous 5 years (2012-2016), to assess the Frequency and patterns of congenital anomalies among neonate and to find the maternal and perinatal risk factors associated with congenital anomalies among neonate. All health records of neonate during the study period were assessed and reviewed.
To achieve this target, we studied all neonate admitted during the study period from (2012-2016). Data were collected with review of records in all files of neonates born with congenital anomalies in Jumhoria hospital and Benghazi Medical Center along the duration between January 2012 and the end of 2016. The total number of births during that period was reported according to month.
All health records in Central Benghazi hospital from (2012-2016) were reviewed to collect data about:
Maternal history and their risk factors.
Physical examination of the admitted newborn in that period.