Engy Amin Abelmoniem Arafa  <br/><br/>
Prenatal diagnosis of down syndrome /  
 تشخيص متلازمة داون أثناء الحمل  
Engy Amin Abelmoniem Arafa ; Supervised Ahmed Lotfy Aboulnasr , Ahmed Soliman Nasr 
 - Cairo :   Engy Amin Abelmoniem Arafa ,   2009 
 - 207P. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Gynecology and Obstetrics 
<br/><br/> Down syndrome is a variable combination of congenital malformation caused by trisomy 21 . It is the most commonly recognized genetic cause of mental retardation with an estimated prevalence of 9.2 cases per 10,000 live births in the United States . Because of the morbidity associated with Down syndrome prenatal screening and diagnostic testing for this condition are offered as optional commponents of prenatal care 
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<br/><br/><label>Subjects--Index Terms: </label>Diagnostic tests  Down syndrome Screening tests