a history of bleeding during pregnancy was more frequent in children with congenital anomalies of the central nervous system ( and/or psychomotor retardation ) ( 33 per cent ) and in children with congenital anomalies of other systems ( 29 per cent ) than in control children ( 12 per cent ) .
C0497552
congenital anomalies of the
C0000768
congenital anomalies