?????

???????????????????????????????????
?????????????????????????????
????(TSH)??????TSH??????????????????????????????TSH???TSH??????6-9??

????1-2??????TSH????????????????????????????????????T3T4??T4?T3?????T4?
???????
,?
??

1??????2???????3???????????????????
??????????????????????????????????????????????????50-100g???160-200g???????????????
?
       1???????
2??????????
340????????????????
4???????????????????

????????(???)??????????????5%???????
????
1?????????
2??????
3????????|??????
4????????
5???????

[?]??????1960????????2???2?3??????????????????????????????1964???64.3%12??1975??10.6%?1974???33.9%?3??1976??9.7%1975?????????0.84.2%
 
?

1????????????

2????????

3???

4??????

5?????????

6?...

1??????2???????3????????????????????

???????????????????????

???? ?? (iodine deficiency disorders IDD) ?????????????????????????????????????????? TSH ?????? TSH ????????????????????????

WHO ????? 150 g ??????? (MUI)100~200 g/L ?????????????? MUI<100~80 g/L ??? MUI<80~50 g/L ??? MUI<50 g /L ???????????????????????????????????????

??? ???????...