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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Should I Be Concerned For The Sudden Increase In The TSH Level Being On The Third Trimester Of Pregnancy?

Hi
My wife has been detected with 3.7 TSH3-UL levek, we were told that the level needs to be maintained around 2.0, she is in third trimister precisely in her 7th month, we had the TSH level in control in last 3-4 reports i.e below 2.0, but has suddenly increased to 3.7 this month, is this a cause of concern.

Your advice shall be of great value.

Thanks
posted on Tue, 7 Jan 2014
Twitter Tue, 7 Jan 2014 Answered on
Twitter Wed, 8 Jan 2014 Last reviewed on
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General & Family Physician,  's  Response
Hi. Welcome to HCM. Hypothyroidism in pregnancy can cause a variety of complications for both mother and baby, so diagnosis and proper management is essential. Recommended reference ranges are: first trimester, 0.1–2.5 mIU/L; second trimester, 0.2–3.0 mIU/L; third trimester, 0.3–3.0 mIU/L. Subclinical hypothyroidism is defined as TSH between 2.5 and 10 mIU/L, with a normal Free T4 level and u r having this. Subclinical hypothyroidism also increases pregnancy complications. It is definitely a matter of concern and i think your doctor might put u on levothyroxine (thyroid hormone supplements) tablets. Consult your doctor for complete examination and if he/she puts u on thyroid supplements u should take tablets in empty stomach (before food in morning) and also avoid milk 2 hours after taking these tablets. Your doctor will advice for a retest of TSH levels after few days and titer the dose of tablets. Wish u good health. Regards.
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Should I Be Concerned For The Sudden Increase In The TSH Level Being On The Third Trimester Of Pregnancy?

Hi. Welcome to HCM. Hypothyroidism in pregnancy can cause a variety of complications for both mother and baby, so diagnosis and proper management is essential. Recommended reference ranges are: first trimester, 0.1–2.5 mIU/L; second trimester, 0.2–3.0 mIU/L; third trimester, 0.3–3.0 mIU/L. Subclinical hypothyroidism is defined as TSH between 2.5 and 10 mIU/L, with a normal Free T4 level and u r having this. Subclinical hypothyroidism also increases pregnancy complications. It is definitely a matter of concern and i think your doctor might put u on levothyroxine (thyroid hormone supplements) tablets. Consult your doctor for complete examination and if he/she puts u on thyroid supplements u should take tablets in empty stomach (before food in morning) and also avoid milk 2 hours after taking these tablets. Your doctor will advice for a retest of TSH levels after few days and titer the dose of tablets. Wish u good health. Regards.