Congenital anomaly surveillance in England—ascertainment deficiencies in the national system

AUTOR(ES)

Boyd, P A

FONTE

BMJ Publishing Group Ltd.

RESUMO

Objective Firstly, to assess the completeness of ascertainment in the National Congenital Anomaly System (NCAS), the basis for congenital anomaly surveillance in England and Wales, and its variation by defect, geographical area, and socioeconomic deprivation. Secondly, to assess the impact of the lack of data on pregnancies terminated because of fetal anomaly.

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