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What is dosage of levothyroxibe during pregnancy?

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Practicing since : 2001
Answered : 11695 Questions
If you normally take 50 mcg of levothyroxibe how much would you need during pregnancy

Posted Mon, 21 Oct 2013 in Pregnancy
Answered by Dr. Rakhi Tayal 21 minutes later
Brief Answer:
The dose may increase or remain same.

Detailed Answer:
Thanks for trusting us with your health concern.
During pregnancy two hormones are produced; these are hCG and estrogen which cause increased thyroid hormone levels in the blood.

Made by the placenta, hCG is similar to TSH and mildly stimulates the thyroid to produce more thyroid hormone. Increased estrogen produces higher levels of thyroid-binding globulin, a protein that transports thyroid hormone in the blood. This may decrease the free thyroid hormone levels in the blood. The response varies from person to person.
The requirement of thyroxine may increase a little or remain the same. You need to get your levels checked every 6-8 weeks during pregnancy and regulate the doses accordingly.
However get regular ante natal checkups done to rule out or detect early complications of hypothyroidism. These include anemia, low birth weight and pre eclampsia. So get your hemoglobin count, ultrasounds and BP monitored at regular intervals.

Continue with the synthetic thyroid hormone that you are taking and keep a watch on above mentioned parameters. Also get the tests repeated every 6-8 weeks to keep an eye on the levels and hence adjust the dose accordingly.

Please feel free to discuss further. I will be glad to answer the follow up queries that you have.
Wishing you good health.
Dr. Rakhi Tayal.
Above answer was peer-reviewed by
Follow-up: What is dosage of levothyroxibe during pregnancy? 4 minutes later
If i just stsrted taking levothyroxine again last month and i know the dosage is good. Should i wait ttc?
Answered by Dr. Rakhi Tayal 41 minutes later
Brief Answer:
You can TTC after getting serum TSH levels evaluat

Detailed Answer:
Thanks for writing again.
You can try to conceive if you are taking the right dosage and your TSH levels are normal after starting the thyroxine supplementation.
Hope my answer is helpful.
If you do not have any clarifications, you can close the discussion and rate the answer. Wish you good health.
Above answer was peer-reviewed by
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