Results of thyroid function test: Hi all... - Thyroid UK

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Results of thyroid function test

Sela1 profile image
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Hi all following on from our last chat I have taken the advice and got a full thyroid function test carried out through Blue horizon. Really easy to do and results straight away. I don't know what to do now as my results say what I have thought for years but consultant andDr say its OK. I do believe that this has played a part in my miscarriage. I just want it to regulate so I can live my life and maybe have baby in the future. Any advice on how to move forward and understand my results would be appreciated. Thank you to all for all the help you have given me already. I have attached my results below for you to look at.

I have had a full thyroidectomy

I am taking 150 levo Mon to sat

100 levo on sun

Should I reduce my levo through week also

Thanks

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Sela1
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SeasideSusie profile image
SeasideSusieRemembering

Sela1

CRP is fine, it is an inflammation marker and the lower the better.

**

Ferritin is very low and will be causing symptoms. Low ferritin can suggest iron deficiency anaemia. You need to ask your GP to do an Iron Panel (will show iron deficiency) and a full blood count (will show anaemia).

From: drhedberg.com/ferritin-hypo...

Symptoms of low ferritin include:

◾Weakness

◾Fatigue

◾Difficulty concentrating

◾Poor work productivity

◾Cold hands and feet

◾Poor short-term memory

◾Difficulty remembering names

◾Dizziness

◾Pounding in the ears

◾Shortness of breath

◾Brittle nails

◾Headaches

◾Restless legs

If you have iron deficiency:

From nahypothyroidism.org/deiodi...

Iron deficiency is shown to significantly reduce T4 to T3 conversion, increase reverse T3 levels, and block the thermogenic (metabolism boosting) properties of thyroid hormone (238-242). Thus, iron deficiency, as indicated by an iron saturation below 25 or a ferritin below 70, will result in diminished intracellular T3 levels. Additionally, T4 should not be considered adequate thyroid replacement if iron deficiency is present.

However, a ferritin level below 70 does not confirm iron deficiency. I have quoted that to show that conversion of T4 to T3 will likely be impaired if ferritin is below 70. Reequest the tests I mentioned above.

I have read in one article that females who brought their ferritin level above 100 saw their persistent hypothyroid symptoms relieved, and another article suggests that a level of 100-130 is good for females

**

Testing magnesium is unreliable. About 99% of magnesium is stored in bone, muscles and soft tissues, leaving about 1% in the blood. So testing what's in the blood isn't giving an accurate picture of our magnesium status.

A red cell magnesium test is the better indicator of magnesium status, not the standard serum magnesium test.

**

Cortisol is low if this test was done early morning. Can you please confirm the time of the test and PaulineS may pop along to comment.

**

Thyroid Function Test

TSH is slightly below range, FT4 is near the top of the range - 83% through range, and FT3 is 43.51% through range so conversion isn't that good. However, this could be due to your ferritin level as explained above. You don't need to change your dose of Levo, if all nutrient levels were optimal and you had this result you would need the addition of some T3. Even though your TSH is slightly below range, this is not a thyroid hormone and not an indicator of thyroid status. TSH is useful for diagnosis but once on thyroid hormone replacement it's the FT4 and FT3 results that are important, the most important being FT3.

Your antibodies are nice and low and these results do not indicate autoimmune thyroid disease (known to patients as Hashimoto's). However, it is possible to have Hashi's without raised antibodies.

**

Vit D would be better 100+, the Vit D Council recommends a level of 125nmol/L and the Vit D Society recommends a level of 100-150nmol/L. If you want to improve your level you'd be looking at a dose of D3 around 3,000iu daily along with D3's important cofactors magnesium (helps the body to convert D3 to it's usable form) and Vit K2-MK7 (directs the extra uptake of calcium from food to bones and teeth where it's needed and away from arteries and soft tissues where it can be deposited and cause problems).

**

B12 482pmol/L = 654.46pg/ml is just about OK. According to an extract from the book, "Could it be B12?" by Sally M. Pacholok:

"We believe that the 'normal' serum B12 threshold needs to be raised from 200 pg/ml to at least 450 pg/ml because deficiencies begin to appear in the cerebrospinal fluid below 550".

"For brain and nervous system health and prevention of disease in older adults, serum B12 levels should be maintained near or above 1000 pg/ml."

**

Folate 13.2 (8.83-60.8). This is low. Folate is recommended to be at least half way through range. You can help raise this with including lots of folate rich foods in your diet and taking a good quality, bioavailable B Complex supplement such as Thorne Basic B or Igennus Super B (which will also boost your B12 level).

SlowDragon profile image
SlowDragonAdministrator

Before considering TTC it’s important to have optimal folate and B12

Are you currently taking any pre-natal vitamins?

Important not to have too little or too much folate or B12

If your cortisol test was done between 8-9am then it is low & warrants further investigation.Sadly many GP's & even Endo's don't have enough experience of pituitary/adrenal issues so don't understand the reference range for cortisol. Cortisol should be around 350-550nmol/Ls firs thing in the morning but then drops throughout the day.

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