Iodine requirement in nonpregant women

 

 

What is   Subclinical hypothyroidism.

 

·                  All Euthyroid (FT4 and Free T3 , Total T4 , Total T3 are normal )  but TPO or Tg antibody are high . In such cases there may be sight elevation of TSH. Such women should be labeled as SCH (Sub clinical Hypothyroidism)  . SUCH isolated rise of TPO ab +ve  nad slight elevation of TSH  pregnant women should have serum TSH concentration performed at time of pregnancy confirmation, and every 4 weeks through mid-pregnancy. These women should not be treated with thyroxine just to prevent RPL or preterm delivery.

 

What are the Iodine requirements in pregnancy and before conception

 

·                  All pregnant women should have approximately 250 μg iodine daily. 

·                  All women who are planning to become pregnant should supplement the diet with daily 150 μg of iodine, optimally 3 months before the conception except women with already existing hyper or hypothyroidism.

·                  Excessive iodine supplements and sustained dietary intake above 500 μg daily should be avoided during pregnancy.