The clinical symptoms of cri du chat syndrome usually include a high-pitched cat-like cry, mental disablity, delayed development, distinctive facial features, small head size (microcephaly), widely-spaced eyes (hypertelorism), low birth weight and weak muscle tone (hypotonia) in infancy.
Read moreWhat is the survival rate of Cri du Chat?
With contemporary interventions, the chance of survival to adulthood is possible. Currently, the mortality rate of cri-du-chat syndrome is 6-8% in the overall population. Pneumonia, aspiration pneumonia, congenital heart defects, and respiratory distress syndrome are the most common causes of death.
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