Table III. List of the 16 malformations not registered in the perinatal database and for whom there was no obvious reason for this non-registration, for example, because the diagnosis is often made later than the time span of the perinatal database

Malformations n Polydactyly 3 Syndactyly 2 Anomaly of the ear 1 Clubfoot 3 Spina bifida 1 Multiple malformation 6 Total 16