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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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My FT4 Is Normal, What Impact Will/could This Have On The Baby ?

Elevated TSH the 1st trimester of pregnancy and worried about the effects on the baby... i am 11 weeks pregnant and suffer from Hoshimoto thyroid disease . My TSH was controlled pre-pregnancy, but at 10 weeks I had blood work that showed it was elevated to a 5.5. My FT4 is normal. What impact will/could this have on the baby ? I have increased my dose of Levothyroxine since but am worried about the effects on the baby prior to this change as I understand the fetus is dependent on the mother for thyroid up until 10-12 weeks.
Sun, 23 Jan 2011
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Endocrinologist,  's  Response
Hi: You FT4 is normal and your TSH is 5.5. During pregnancy your TSH should be less than 2.5. You had to increase your thyroid dose, that you had done. Since your FT4 is normal, your baby should be OK. Do not worry and relax, you are going in the correct path.
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My FT4 Is Normal, What Impact Will/could This Have On The Baby ?

Hi: You FT4 is normal and your TSH is 5.5. During pregnancy your TSH should be less than 2.5. You had to increase your thyroid dose, that you had done. Since your FT4 is normal, your baby should be OK. Do not worry and relax, you are going in the correct path.