1. 
   birth defect
   [n] - a defect that is present at birth
   Found op http://www.webdictionary.co.uk/definition.php?query=birth%20defect
   
   
2. 
   Birth defect
   an abnormality that is present when a baby is born
   Found op http://www.medichecks.com/glossary.cfm?ltr=B
   
   
3. 
   Birth defect
   Birth defect: Any defect present in a baby at birth, irrespective of whether the defect is caused by a genetic factor or by prenatal events that are not genetic. Birth defects may involve many different organs including the brain, heart, lungs, liver, bones, and intestinal tract. These defects can o...
   Found op http://www.medterms.com/script/main/art.html?articlekey=11042
   
   
4. 
   birth defect
   Defect present at birth; sometimes referred to as congenital defect. ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?birth+defect
   
   
5. 
   birth defect
   congenital anomaly noun a defect that is present at birth
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=birth%20defect
   
   
6. 
   birth defect
   genetic or trauma-induced abnormality that is present at birth. See congenital disorder.
   Found op http://www.britannica.com/eb/a-z/b/69
   
   
7. 
   birth defect
   genital anomaly; birth defect Intrauterine development of an organ or structure that is abnormal in form, structure, or position. A birth defect caused by a structural abnormality or a marked deviation from the average or norm; anything that is structurally unusual or irregular or contrary to a gen...
   Found op http://www.wordinfo.info/words/index/info/view_unit/138/2
   
   
8. 
   Birth defect
   Any harmful trait, physical or biochemical, present at birth, whether a result of a genetic mutation or some other nongenetic factor.
   Found op http://www.ornl.gov/sci/techresources/Human_Genome/glossary/glossary.shtml
   
   
9. 
   birth defect
   A structural, functional, or metabolic abnormality present at birth that results in physical or mental disability or is fatal. There are more than 4,000 known birth defects, which may be caused by genetic or environmental factors. About 150,000 babies are born each year with birth defects.
   Found op http://www.daviddarling.info/encyclopedia/B/birth_defect.html
   
   
10. 
    Birth Defect
    A structural, functional or developmental abnormality that develops during fetal development- usually in the first three months of pregnancy. Genes can play a role in certain birth defects, making them hereditary. Birth defects can vary from mild to severe and affect different indiviudals in differe...
    Found op http://www.pregnology.com/AZ/B/3
    
    
11. 
    birth defect
    Type: Term Definitions: 1. defect present at birth; sometimes referred to as congenital defect or anomaly.
    Found op http://www.medilexicon.com/medicaldictionary.php?t=23148
    
    
12. 
    Birth Defect
    Structural, functional or developmental abnormalities present at birth or later in life, due to genetic or non-genetic factors acting before birth.
    Found op http://www.thebridgecentre.co.uk/04_causesofinfertility/glossary_of_terms.h
    
    
13. 
    Birth defect
    Any harmful trait, physical or biochemical, present at birth, whether a result of a genetic mutation or some other nongenetic factor.
    Found op http://www.ornl.gov/sci/techresources/Human_Genome/glossary/glossary_b.shtm
    
    

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