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NEW HERE - Need Help with Hyperthyroidism and Pregnancy

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Old 09-13-2008, 07:39 AM   #1
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NEW HERE - Need Help with Hyperthyroidism and Pregnancy

Hi, everyone. I am almost eight weeks pregnant and just returned from the hospital last night after 24 hours of every test imaginable. I went in because of a racing heart. They checked blood work, did an EKG, and tested for a blood clot, then sent me home. I woke up a few hours later with heart racing and cold sweats, so I went back.

I was really put through the ringer. More blood work, more EKGs, stress test, echo grams, observation. The worst part was that I have had bad morning sickness and have to eat to prevent it getting too bad. They wouldn't let me have anything to eat from the time I got there at 5pm (I hadn't had dinner yet) until about noon the next day. Anyway...

Absolutely the only thing they found out of whack was that my T4 was 12.4 and my T3 was 229. My OB had them give me a prescription for Propylthiouracil. Could these levels be high enough for hyperthyroidism? Is the medicine safe for my baby?

Aside from the racing heart (about 3 episodes since I have been pregnant), I have been extra hungry (but not eating/drinking a lot due to morning sickness) and have had a little trouble sleeping. This is my third pregnancy - I was sick with the other two, but the hormone seem much more intense this time. I guess I want to know if this could be hyperthyroidism for sure or if the pregnancy hormones could be the culprit. The other time I had a racing heart was nine years ago (before kids) when I started taking birth control pills. I also had panic attacks at that time, but everything went away when I stopped the pills. Thanks for any advice!

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Old 09-14-2008, 10:31 AM   #2
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Re: NEW HERE - Need Help with Hyperthyroidism and Pregnancy

I will start by saying that I am not hyperthyroid, so the info I can offer is only what I've learned from reputable, medical websites.

PTU is the hyperT med of choice during pregnancy. It's much safer than methimazole, which can't be used during pregnancy. The main risk to the baby from PTU is when the dose is too high. If you have a knowledgable, competent MD, he will know how to dose to cause the maximum benefit to you without harm to your baby. I suggest you ask for a referral to a high-risk OB or to an endocrinologist well-versed in pregnancy issues... Unless your "regular" OB has treated a lot of such cases and knows very well what he/she is doing. Be sure to ask lots of questions!!!

The risk of not treating is much higher than for treating, both to you and the baby.
I'll keep you in my thoughts.

Old 09-15-2008, 08:07 AM   #3
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Re: NEW HERE - Need Help with Hyperthyroidism and Pregnancy

Here is the information that my MFM gave me early in my search for answers about the thyroid and how it can affect a pregnancy.


YOUR OB SHOULD NOT BE TESTING YOUR TOTAL T3 and T4 VALUES!!!! Your OB should know that your HCG hormones and Estrogen and all the other goodies pregnant women have raging in their system make the Total Tests invalid. You can safely take antithyroid meds during pregnancy, but you need to make sure you have a condition.

You need to get FREE T3 and FREE T4 tests run. What was your TSH?
You also need to get TPOAb and TGAb as well as TSI and TRAb antibody tests run. If you have early onset Graves or Hashimoto's autoimmune diseases you will need careful and experienced handling. My Aunt N has 4 children.. all happy and healthy. She has Graves Disease and still has her thyroid. She manages it with anti-thyroid meds, beta-blockers, and L-carnitine.

You can manage this. I would get an immediate referral to a Maternal and Fetal Medicine specialist from your OB. They will probably be relieved to share the care responsibilites for you and your child. Congratulations and best wishes to you both!

If we learn by our mistakes, I am working on one hell of an education.

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