Objective To investigate the iodine nutritional status of school-age children and pregnant women in Jinshan District of Shanghai in recent years,so as to provide the theoredical support for follow-up health education.Methods From 2019 to 2023,according to the population ratio probability sampling method,5 to 6 streets(towns)were selected annually,one primary school was randomly selected from each street(town),and 40 children aged 8 to 10 years old were selected from each school to detect the iodine content in urine and the iodine content of edible salt in their homes.Thyroid volume measurement was increased in 2020 and 2023.Thirty pregnant women were sampled from each street(town)to detect the iodine content in urine and the iodine content of edible salt in their homes.Results A total of 1 055 children and 810 pregnant women were monitored from 2019 to 2023.The median iodine content of iodized salt for children was 23.03 mg/kg,the qualified iodized salt consumption rate and iodized salt coverage rate were 60.00％ and 70.52％,respectively.The median iodine content of iodized salt for pregnant women was 22.90 mg/kg,the consumption rate and coverage rate of qualified iodized salt were 61.98％and 75.80％,respectively.The median of urinary iodine in children was 195.00 μg/L,which showed a decreasing trend,but the iodine nutrition level was still suitable.The median of urinary iodine in pregnant women was 130.00 μg/L,and the overall trend was decreasing.Conclusion From 2019 to 2023,the iodine nutrition level of children in Jinshan District decreased year by year and was controlled at an appropriate level of iodine nutrition,while pregnant women were in a state of iodine deficiency.Health promotion of iodine nutrition in pregnant women should be strengthened to improve the status of iodine nutrition in pregnant women.
NETL
NSTL
万方数据
