“…Many authors in the past have suggested that that parental consanguinity is significantly linked to autosomal recessive metabolic disorders like hyperphenylalaninemias, mucopolysaccharidosis, GM1 gangliosidosis, and glycogen storage disease type I. 16 High consanguinity rate (67.5%), much similar to seen in this study population, has also been recently reported by Sherazi et al 13 Amongst the biochemical variables, raised plasma ammonia was assigned the highest score. Levels were set at >150 umol/L.…”