By systematic and structured reporting it is possible to obtain more complete information on the prevalence of congenital malformations than by voluntary notification. One quarter of the congenital malformations is not detected before the age of 3 months.
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This record was last updated on 07/02/2016 and may not reflect the most current and accurate biomedical/scientific data available from NLM.
The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/8455742