RT Book, Section
A1 Carey, John C.
A1 Bamshad, Michael J.
A2 Rudolph, Colin D.
A2 Rudolph, Abraham M.
A2 Lister, George E.
A2 First, Lewis R.
A2 Gershon, Anne A.
SR Print(0)
ID 6728787
T1 Chapter 175. Birth Defects, Malformations, and Syndromes
T2 Rudolph's Pediatrics, 22e
YR 2011
FD 2011
PB The McGraw-Hill Companies
PP New York, NY
SN 978-0-07-149723-7
LK accesspediatrics.mhmedical.com/content.aspx?aid=6728787
RD 2024/04/18
AB Birth  defects  are  relatively  common—about  2%  of  newborns  will  have  a  medically  significant  malformation  recognized  during  the  first  day  of  life.  However,  approximately  one  half  of  all  defects  that  are  present  at  birth  are  not  diagnosed  until  later  in  infancy.  Defects  that  may  not  be  apparent  at  birth  include  abnormalities  of  the  central  nervous  system,  cardiovascular  system,  and  sensory  systems  (eg,  hearing,  vision)  among  others.  Collectively,  it  appears  that  4%  of  infants  have  a  medically  significant  structural  anomaly  diagnosed  by  age  12  months.