Since blood levels of retinol - binding protein change with pregnancy, the serum retinol test can yield inaccurate results.22 Be aware that routine iron supplementation is not advisable during pregnancy, since an increased iron intake in women with an already
adequate iron status may have adverse effects.
You will need to look at the specific key nutrients needed to support healthy thyroid function: like iodine,
iron status, assess that you are producing enough stomach acid to convert plant based
iron into the absorbable form of
iron; you need
adequate amounts of selenium, zinc and cofactors that we get from vitamins A, C, E and the amino acid tyrosine.