A woman was found abnormal TSH at 35+5 weeks of gestation. Her TSH was 4.0 with normal FT3 and FT4. Should she be advised to take levothyroxine?
There in pregnant a possible subclinical hypothyroidism. You should consult with an endocrinologist, but the TSH being in a "alarm" (3.5-7.0), possibly require thyroxine
It is well knowen that normal level of TSH is from 0.4 to 3.5 mU/ml in tirth trimester . Thretment with levothyroxine is possible, if TPOAbs are postive.
If thyroid antibodies are negative, there is no evidence for or against
treatment. Most authors also recommend treating pregnant women with subclinical hypothyroidism with negative thyroid antibodies.
No treatment is required. It is a case of subclinical hypothyroism. What will be the benifit to the fetus if thyroxine is given at 37th week of gestation. Only TPOAbs are to be screened.
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