Hello everyone,

PTP

Does anyone know what the current thinking is on appropriate TSH levels while breastfeeding?

In "Making More Milk", (2010) Diana West indicates that there was debate on "...tightening the range for TSH from 0.5-5 mIU/L to 0.5-2.5 mIU/L for preconception and pregnancy.  This may be better for lactation as well." (p132).

"Breastfeeding Answers Made Simple" mentions the normal range during pregnancy as 0.5-2.5 mIU/L but does not mention a range for breastfeeding. 

The mother had her thyroid removed due to cancer several years ago.  She monitored her levels closely during pregnancy and is due for a visit with her thyroid specialist.  She wondered about whether there were particular levels considered appropriate for nursing mothers versus non-nursing.

Many thanks,
Cassie Kent IBCLC

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