Results from our 2015 Registry report provides data on the most frequently reported birth defects. Here we have listed the most common structural birth defects.
Some of the most frequent structural problems by order of case numbers are:
|List of Structural Birth Defects||Count|
|Malformed fingers, hands or arms||289|
|Malformed toes, feet or legs||229|
|Ventricular septal defect||190|
|Atrial septal defect||171|
|Low set ears||166|
|Absent or underdeveloped lung||164|
|Absent or malformed ear(s)||162|
Since October of 2015, parents have completed 3983 questionnaires with case reports for 4529 children (more than one child in a family can be reported on a questionnaire) in the on-‐line National Birth Defect Registry. We have reports for 2372 males, 2144 females and 13 cases where the sex was not entered.