I'm pregnant and just found out my TSH level is 3.59. My gynecologist recommended starting thyroid medication, and I'm not sure if that's normal for this TSH level. Should I be worried or is this standard practice?

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Dr Mubarak Parveez B

General Practitioner

MBBS
2+ Yrs

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In pregnancy, it is recommended to maintain TSH levels below 2.5 for the health of both the mother and the baby. Since your TSH level is slightly elevated at 3.59, your gynecologist's recommendation to start thyroid medication is appropriate. The medication commonly prescribed for hypothyroidism during pregnancy is Levothyroxine. The typical starting dose for hypothyroidism in pregnancy is around 50-100 mcg per day, but the exact dosage will depend on your individual health situation. It is important to follow your doctor's advice and regularly monitor your TSH levels throughout your pregnancy.

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Answered 04/07/2025

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