Systems PB PB(A)
Cardiovascular 1,31 2,81
NervousSystem 0,76 3,77
Hydrocephaly 0,14 1,71
Neural tube defects 0,62 2,05
Digestivetracts 0,76 2,12
Genitourinary 1,31 2,12
Skeletal disorders 1,79 2,26
Syndromes 0,55 1,30
Table 2: Prevalence at birth (in percent) of congenital malformations from 2004 to 2008.