I am a 34 year old 28 weeks pregnant female. My TSH levels came to 5.5. Is this a cause of concern for pregnancy?
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The approach to thyroid tests and TSH targets will differ depending on whether the woman has a thyroid condition, whether she is planning pregnancy, or whether she is already pregnant. The recommendation is that before and during pregnancy thyroid function tests are regulated such that serum TSH is kept in the lower half of the normal range (<2.5 mIU/l before and <2.0 during pregnancy). This may require a dose adjustment in your levothyroxine. Ideally during pregnancy thyroid function tests should be measured using trimester-specific reference ranges. Please talk to your gynecologist for details and risk factors. Don't panic. Take care.
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