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Hypothyroidism in pregnancy — SCE Endocrinology MCQ

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EasyEndocrinology in pregnancyHypothyroidism in pregnancySCE Endocrinology

A 31-year-old woman with hypothyroidism is 6 weeks pregnant. She takes levothyroxine 100 micrograms daily and has TSH 6.8 mU/L with free T4 low-normal. What is the most appropriate management?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: BIncrease levothyroxine dose and monitor TSH during pregnancy

Levothyroxine requirements rise early in pregnancy and TSH should be optimised promptly. Stopping therapy risks maternal hypothyroidism and adverse pregnancy outcomes. Radioiodine imaging is contraindicated in pregnancy.

Reference: https://www.nice.org.uk/guidance/conditions-and-diseases/diabetes-and-other-endocrinal-nutritional-and-metabolic-conditions