T3 Only and Pregnancy

Hello everyone,

I found out today that I am pregnant (only 2 to 3 weeks) and on Friday I started taking T3 only because I am experimenting on what could make me feel better because T4 seems to be an issue, although I can not really find out because they do not do rT3 tests in this country for me to know for sure.

I plan to be in London at the end of the month and will do rT3 test then.

Here is the picture:

January 2017: Man down. Bedridden. Can walk if I put my mind to it. Feeling drunk!

Started T4 (Levo) on June 15 2017: Didn't help. Only slight change. Bedridden.

Started ThyroGold on August 6th: Got energy back. No Longer Bedridden. Not 100% but good. Dizziness and drunk feeling goes away. (Thyrogold 150 has 50mcg T4 and 25mcg T3 they say)

Started T3 Only 25mcg 1 September: Feel the same as on ThyroGold. Too early to tell.

Found out I'm pregnant today!

My questions are:

1. Am I taking too little T3 since I took out T4 out the question?

2. Is it safe to take T3 only during pregnancy?

3. Should I just go back to ThyroGold 150mg?

4. Any advice in general as I am new to this.

Also, I am not telling my new gynaecologist about any of this because they would not be happy about T3, or ThyroGold, even though that is probably what helped me get pregnant.

Thanks a mil.

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8 Replies

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  • Inana,

    Congratulations on your pregnancy.

    Optimal thyroid hormone levels are critical to the normal development of your baby’s brain and nervous system as during the first trimester the fetus depends on the mother’s supply of thyroid hormone, which comes through the placenta. At around 12 weeks, the baby’s thyroid begins to function on its own.

    Thyroid Stimulating Hormone (TSH) should be kept LOW in all woman who are pregnant whether already medicating on thyroid hormone replacement or newly diagnosed but medicating T3 may show a low level TSH anyway as the pituitary senses enough thyroid hormone in the blood stream and reduces secretion.

    I do not know anything about medicating T3 only during pregnancy and there is thought that T4 is essential for your baby's development as a low state of T4, referred to as hypothyroxinemia is correlated with cognitive defects in the offspring.

    If I was you, I would explain what you are medicating and ask for a referral to a specialist asap.

    With reference to your vertigo and drunk feeling, I experienced this too for several years before reaching optimal thyroid hormone and nutrients. I still suffer balance issues if thyroid hormones become low.

    Good luck.

    .

    Babies require T4

    tiredthyroid.com/blog/2013/...

    .

    NICE guidelines

    cks.nice.org.uk/hypothyroid...

  • Thank you so much for your reply. I will make a quick plan to see someone about my self-medication and seek advise although I'm pretty sure that they will tell me to go back to Levo only, and that means inevitably going weak and bedridden again. **sigh**

    I am tempted to just go on doing my own thing and not telling them about thyroGold but I suspect that the blood tests will reveal something.

    I think, in the meantime, I should take ThyroGold which has both T4 and T3.

  • Inana,

    You know Levo works for a lot of people once all the nutrient/iron deficiencies and cortisol issues are sorted but unfortunately this recovery can take many many months or even years.

    I am sorry you are having to go through all this now you are pregnant.

    Have you had your thyroid antibodies TPOAb and TGAb tested ? ? ..

  • Yeah. Levo seems to work for many but my doctor won't give me more than 25mcg because my levels, although very low, are within the normal range, so I had to find something that has T4 on my own, higher than 25mcg, which is ThyroGold. 😕 I would have preferred to do it under the supervision of a doctor but so far, no doctor wants to help me with my blood test results.

    I have tested for antibodies and they were low. But I only tested for the TPO.

  • I am not sure as to T3, but just wanted to say congratulations! I am so, so happy for you :) Waiting to join the pregnancy club myself :)

  • Thanks. It is early days. Hopefully I get to the 2nd trimester. xoxox

  • Only 25mcg. no wonder it wasn't making you feel better. It's a very low starting dose and with some it makes then feel worse. Have you any resultsyou can post and their ranges? Make sure you tell the hospital what you are taking and why. (the Thyroid gold) and if they are why tell them your doctor would raise the T4 as it was in range and I bet at the very bottom!!!

  • Thanks for the response. I have results but the latest ones I don't have. I will post them when I have them. I suppose I will tell them, but I just anticipate it causing more trouble than good.

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