Congential hypothyroidism in zagazig distinct an epidemiological study

congential hypothyroidism is indequate thyroid hormone production in newborn infants.this can occur due to anatomic defect in the gland an inborn error of metabolism and idine deficiency klett,1997 .data from countries with well-established newbron screening programs indicate an incidence of congenital hypothyroidism of 1 per 3000-4000some of the highest 1 in 1400 to 1 in 2000 have been reported from various location in the middle east Bongers - schokking et al., 2000 congenital hypothyroidism is obseved in all racial and ethnic populations. the racial differnce observed probably related more to geograpgic location & socioeconomic status Hsiao et al., 1999