Endocrine Abstracts

Introduction: Studies have reported a rising incidence of congenital hypothyroidism (CHT) although the pathophysiology of most cases is unknown. A rising incidence is not simply a reflection of changing assay methodology and environmental factors may have an aetiological role. If so, then cases may exhibit space-time clustering, where cases occur at similar times and close proximities to other cases.Methods: We investigated whether there is evidence of s...