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目的了解我市孕妇及哺乳期妇女碘营养状况和碘盐作为补碘的主要途径能否满足特需人群碘营养需要,为今后科学防治碘缺乏病提供依据。方法采用WS/T107-2006-尿中碘的砷铈催化分分光光度测定方法进行尿碘检测;采用GB/T13025.7-1999中直接滴定法进行盐碘检测。结果孕妇尿碘中位数为128μg/L,哺乳期妇女尿碘中位数为135μg/L,均未达到国家推荐标准(尿碘中位数≥150μg/L),孕妇尿碘<150μg/L人数占62.7%,哺乳期妇女<150μg/L人数占57.1%;白银市碘盐覆盖率为99.5%,合格碘盐食用率为96.9%,达到国家监测标准(碘盐覆盖率>90%)。结论白银市孕妇及哺乳期妇女碘营养状况欠佳,仅食用碘盐不能满足特需人群碘营养需要。为保护每一位新生儿免受碘营养缺乏的危害,应加强特需人群特别是孕妇及哺乳期妇女碘营养状况监测;除食用碘盐外,孕妇及哺乳期妇女应适度增加其他摄碘途径。
Objective To understand whether iodine nutrition status and iodized salt in pregnant women and lactating women in our city can meet the needs of iodine nutrition of special needs population and provide the basis for scientific prevention and treatment of iodine deficiency disorders in the future. Methods Urinary iodine was detected by spectrophotometry using arsenic and cerium catalyzed by iodine in WS / T107-2006-urine; iodized salt was detected by direct titration in GB / T13025.7-1999. Results The median urinary iodine of pregnant women was 128 μg / L, while the median urinary iodine of lactating women was 135 μg / L, which did not reach the national recommended standard (median urinary iodine≥150 μg / L) Accounting for 62.7%; lactation women <150μg / L accounted for 57.1%; silver iodine salt coverage was 99.5%, qualified iodized salt consumption was 96.9%, reaching the national monitoring standards (iodized salt coverage> 90%). Conclusion The iodine nutrition status of pregnant women and lactating women in Baiyin City is not good. Only using iodized salt can not meet the needs of iodine nutrition of special needs groups. In order to protect every newborn from iodine deficiency, we should strengthen the monitoring of iodine nutrition status of special needs groups, especially pregnant women and lactating women. In addition to iodized salt, pregnant women and lactating women should moderately increase other iodine intake.