(2004) examined the prevalence of clefting over an eleven-year period in Jordan and found an overall rate of 1.39 per 1,000 live births for CL +/- P. This was found to be similar with the prior studies that have examined clefting in other Arab populations.A further study by Aqrabawi HE (2008) stated that the total number of liveborn infants was 25 440, 60 of whom (2.4/1000) had facial clefts