Uncertainty exists about the best approach to manage levothyroxine dosage in women with hypothyroidism, once they become pregnant. The etiology of an individual's hypothyroidism might be a key determinant of the optimal time and duration of dose adjustments, say the authors of a retrospective review published in the journal Thyroid.
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Alexander, E. The complexity of maternal hypothyroidism during pregnancy. Nat Rev Endocrinol 5, 480–481 (2009). https://doi.org/10.1038/nrendo.2009.153
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DOI: https://doi.org/10.1038/nrendo.2009.153