Neonatal problems include hypotonia and hypoxia. There
may also be cardiac, renal and neurological malformations.
Severe developmental delay is usually observed in the first year
of life1 and low body weight and poor growth may be attributed
to feeding difficulties and gastroesophageal reflux.4 Children
with Cri du Chat syndrome are also more susceptible to upperrespiratory
tract infections and otitis media