الفهرس 
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Abstract
Urea cycle disorders (UCDs) represent a group of rare inherited metabolic disorders resulting from a partial or complete deficiency of one of the urea cycle components, thereby resulting in accumulation of ammonia, as well as other nitrogenous products, including glutamine and alanine. However, hyperammonemia resulted in cerebral edema and neurologic injury. These disorders may present at birth, childhood, or adulthood and may range from a relatively mild encephalopathy to profound developmental disability. Early diagnosis and treatment may prevent some of the adverse outcomes, which are primarily neurological.
In the present work child growth parameters were used to check efficiency of dietary that introduce to children, through four growth parameters that including length for age, weight for age, body mass index (BMI) for age and head circumference for age. The study revealed the prevalence between the onset of diagnosis and follow up based on anthropometric measurements was 50% stunted, 21.4% underweight and 21.3% wasted for BMI, compared to 85.7%, 64.3% and 21.4% respectively for the same parameters and 25% microcephalic, after applied urea cycle disorders diet. This finding shows that even with adequate management of cases with urea cycle disorders also, some cases were stunted, underweight, wasted and microcephaly.