the various defects were : hydrocephalus 15 , spina bifida 9 , meningocoele 8 , perosomus elumbis 8 , cyclopia 6 , cerebellar agenesis 3 , aprosopia 3 , cranium bifidum 3 , anencephaly 2 , cerebellar fusion 2 , meningo-encephalocoele 2 , congenital ataxia 2 , micrencephaly 2 , cerebellar hypoplasia 1 , and acrania 1 .
C0080178
spina bifida
C0009730
meningocoele