Hello, I'm new to this forum so I apologise if this has all been asked before.
I have been being investigated for hypothyroidism by my GP - several blood tests over the past year have shown my T4 level to be lower than 12, so my GP referred to endocrinologist.
Endocrinologist ordered a fasting blood test which I had done this week, with the following results:
Serum LH level: 34.4 iu/L
Serum FSH level: 37.1 iu/L
Serum prolactin level: 407 mIU/L
Serum cortisol: 266 nmol/L
HIGH SENSITIVITY OESTRADIAL: 452 pmol/L
I have no clue what all this means, and am hoping someone can interpret this for me please?
Thanks in advance
Written by
Lottielou7
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I've had many thyroid tests done over the course of the last year and every time FT4 was lower than 12 and TSH within normal range. Thus the referral to the endocrinologist and this next level testing which I believe is to rule out anything more serious underlying.
I'm 50 and this fasting blood test was done at about 9.30am.
FSH, LH, cortisol, prolactin are all pituitary hormones, oestradiol is made in the ovaries and decreases after menopause. So they’re looking at the pituitary, central hypothyroidism, but checking to see if they need to use pre or post menopause levels for comparison. Or that’s how it looks to my non-medic brain.
We still can’t comment if we don’t know the ranges.
Normal oestradiol but lower others would suggest pre menopause but pituitary issues; lower everything would suggest post menopause. Beyond that, no idea. You need to chat with the endo, but don’t be fobbed off. The type of phrasing you need is ’so what IS wrong with me’, ‘so why are my T4 levels so low’, ‘why do I feel so ill all the time’.
Hi Lottielou7 , if that cortisol was taken at 9am then that is a very low cortisol result. You may need adrenal support to get the best out of your thyroid medication.
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