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Thyroid Cancer, Nodules & Hyperthyroidism (Expert Forum)
pregnant what is the right dose
Answered by
Mark Lupo, M.D. - Thyroid Nodules, Thyroid Cancer, hyperthyroidism, hypothyroidism, Thyroid Ultrasound
Thyroid & Endocrine Center of Florida
Sarasota - FL
Questions in the Thyroid forum are answered by Mark Lupo, MD. Topics covered include Goiter, Graves Disease, Hyperthyroid, Parathyroid/Calcium Problems, Thyroid Cancer, Thyroid Nodules/Cysts, Thyroiditis, Thyroid & Pregnancy, Thyroid Stimulating Hormone (TSH), Thyroid Tests, and Thyroid Surgery.
pregnant what is the right dose
by lucyr76, Jul 14, 2008 03:01PM
I am finally pregnant after going through IVF. After insisting that my RE checks my thyroid at 5 weeks I finally got my results (I'm now 5 w 5d pregnant). When I started IVF my thyroid was 1.22 (i've been taking synthroid 50 mcg before getting pregnant)now my results are:
TSH 3.42
T4 1.4 (range is 0.8-1.8 ng/dl)
T3 109 (range is 60-181 ng/dl)
I would like to get my THS back to range of 1-2. The problem is that my RE doesn't feel this is too much and I don' t have any other doctor who can help me with this. I've been diagnosed with hypothyroidism in 2001 and have been taking Synthroid 50 mcg ( 0.05mg). I was tested for antibodies and it was negative. I would like to adjust the dose myself but don't know by how much, 12.5mcg, 25mcg or even more? Can anyone help me with this, I'm so scared I will lose my baby and that it's too late to do anything.
Thank you in advance for your help,
Lucy
TSH 3.42
T4 1.4 (range is 0.8-1.8 ng/dl)
T3 109 (range is 60-181 ng/dl)
I would like to get my THS back to range of 1-2. The problem is that my RE doesn't feel this is too much and I don' t have any other doctor who can help me with this. I've been diagnosed with hypothyroidism in 2001 and have been taking Synthroid 50 mcg ( 0.05mg). I was tested for antibodies and it was negative. I would like to adjust the dose myself but don't know by how much, 12.5mcg, 25mcg or even more? Can anyone help me with this, I'm so scared I will lose my baby and that it's too late to do anything.
Thank you in advance for your help,
Lucy
Doctor's Answer
by Mark Lupo, M.D., Jul 14, 2008 09:47PM
, Jul 14, 2008 09:47PM
A TSH of 3.42 is outside the recommended pregnancy range (up to 2.0 is accepted).
I cannot recommend any medication changes but an increase in the dose would lower the TSH and usually the synthroid requirements increase 25-40% (or more) during pregnancy....
this link may be of interest to your RE -- http://www.endo-society.org/guidelines/final/upload/Clinical-Guideline-Executive-Summary-Management-of-Thyroid-Dysfunction-during-Pregnancy-Postpartum.pdf
I cannot recommend any medication changes but an increase in the dose would lower the TSH and usually the synthroid requirements increase 25-40% (or more) during pregnancy....
this link may be of interest to your RE -- http://www.endo-society.org/guidelines/final/upload/Clinical-Guideline-Executive-Summary-Management-of-Thyroid-Dysfunction-during-Pregnancy-Postpartum.pdf
