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What is the normal TSH level in first trimester of pregnancy?

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Practicing since : 2006
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My pregnancy test was found positive today and my TSH is 5.36. Is that fine?
Posted Fri, 5 Apr 2013 in Women's Health
Answered by Dr. Nilofer AR 34 minutes later
Thanks for posting your query on health care magic.

TSH of 5.36 is just above normal levels.
However , it is recommended that TSH levels are maintained below 2.5 mU/l in the first trimester of pregnancy and below 3 mU/l in later pregnancy.

So, i recommend you to repeat your thyroid profile tomorrow morning - fasting levels.
Thyroid profile includes free T3, free T4, TSH.

If TSH levels persists or higher than 5 mU/l, medications(thyroxin) need to be taken.
Thyroxin is completely safe. You need not worry.
Hope this helps.
Feel free to ask if you need further clarifications.
I will be happy to help.
Dr Nilofer
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