Disease analysis:
Hello, urinary iodine will change with diet, salt, etc. It's best not to eat before checking urine iodine. You can leave morning urine, and the middle section is best.
Guiding opinions:
In order to protect children's intellectual development from the harm of iodine deficiency, pregnant women and lactating women should know whether there is iodine deficiency in their bodies. Urine iodine levels should be detected at 0 ~ 3 months in the first trimester, 4 ~ 6 months in the second trimester and 7 ~ 9 months in the third trimester respectively. If the urinary iodine content is found to be low, it means that pregnant women are undernourished with iodine, and iodine should be supplemented in time.
A toast to your health.