Introduction
Data groupings and classification as Major or
Minor Abnormalities are based on that used by the
Australian Institute of Health and Welfare
National Perinatal Statistics Unit, UNSW and
published in Congenital Malformations Australia
1981-92.
For individual systems, data shown as a % of all
Major Abnormalities based upon published statistics
using the same groupings as CMA 81-92. Please note
that some congenital diseases involve more than one
system.
The classification groups for Major
and Minor Abnormalities are also shown.
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