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Conception

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TTC and subclinical hypothyroidism

392 replies

Owl86 · 20/05/2021 18:19

Hi all

I'm 34, and my husband and I have been TTC our first baby since January. We've had no luck yet, but realise it's still quite early days.

However, I recently had a blood test after an ultrasound found a polycystic ovary. This came back negative for PCOS, but showed my thyroid function was out of whack. My TSH is 4.93, higher than the reference range, and my free T4 is on the lower (but normal) side at 14.7. So my GP told me I'm subclinically hypothyroid.

Not really knowing anything about thyroid issues, I asked what this meant for fertility and pregnancy. The GP said some fertility specialists like TSH to be under 2.5 when TTC, but it's more about optimising the body for conception than anything else. They didn't suggest medication right now, but said if I'm still not pregnant within the next 2-3 months they'd repeat the tests (with an extra check for thyroid antibodies/Hashimoto's disease) and refer me to the fertility clinic for advice if my TSH is still high. But if I do become pregnant, nothing further needs to be done.

I've since done my research and it doesn't seem to tally with what the GP said. As I understand it, for a healthy baby and pregnancy TSH levels should be below 2.5 and T4 ideally on the higher end of the normal range. And the NICE guidelines seem to suggest we should delay TTC
until I'm medicated and my levels have normalised and stabilised: cks.nice.org.uk/topics/hypothyroidism/management/preconception-or-pregnant/

I'm not sure how far I'll get with the GP, as they admitted they're not totally clued up on these matters. So I've ordered an advanced thyroid self-test kit to get a full picture of what's going on. I'm then thinking about seeing a specialist privately for advice on whether I should be taking thyroxine or not.

For anyone who's been through similar, my questions are:

  1. What sort of specialist would be best to see? An endocrinologist or fertility specialist/reproductive endocrinologist?
  1. Once on medication, how long did it take to get your thyroid hormones to the right level for TTC and pregnancy?
  1. Do you have any suggestions or advice? I'm feeling rather unsure and overwhelmed by the whole thing.

Thanks so much in advance. :)

OP posts:
secondorange · 26/05/2021 12:14

@Owl86 Thank you for linking the article! Looked all over the net and couldn't find anything. I never did have free androgens checked, wonder if I should do that for peace of mind. My lining was 18mm at CD17, I ovulated CD14. I think I'll ask some follow up questions as far as normal range, everything I'm seeing is like 14mm to 16mm max.

Owl86 · 25/05/2021 22:44

@ChinChilly Sorry to hear that - how frustrating! :( Could you possibly see an endocrinologist privately? Maybe they can talk some sense into your GP.

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ChinChilly · 25/05/2021 22:18

@Owl86 not really, the GP just said that because my TSH and T4 are both within normal range it isn't something they are worried about, if one was out then they would be. It really is fighting a loosing battle with GPs and thyroid issues

Owl86 · 25/05/2021 21:01

@ChinChilly How did you get on with your GP today? Any progress?

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Owl86 · 25/05/2021 13:07

Hi @secondorange

I'm sorry for your loss earlier this year.

My right ovary is also polycystic, and I have regular periods like you. A previous transvaginal ultrasound in 2017 found both ovaries were polycystic, but another one a few months later said they were normal! All a bit confusing.

Looking at my blood test report, it seems they checked free androgens and gonadotrophin levels (FSH and LH) to rule out PCOS.

As I understand it, PCO is quite common and isn't as big a worry as PCOS when it comes to fertility. I found this article useful: www.omargailani.com.au/blog/polycystic-ovaries-vs-polycystic-ovarian-syndrome-13783/

I don't know much about endometrial linings, whereabouts were you in your cycle at the time of the scan? Mine was 10mm at ovulation, which I was told was OK.

On the TSH, it might be worth waving the NICE guidelines and British Thyroid Foundation resources in front of your GP and seeing what they say.

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Owl86 · 25/05/2021 12:52

Hi @GoingGently, thanks so much for sharing your story and useful advice. I'm so very sorry for your loss last year.

I read the same thing about biotin last night, funnily enough. It's not something I'm taking as a supplement right now, but I'll bear this in mind for the future.

Wishing you all the best in your TTC journey.

OP posts:
secondorange · 25/05/2021 12:13

Hi, read your post and was hoping to chat! I also had blood work done and an ultrasound revealed that my right ovary is polycystic. Which blood tests did you have to rule out PCOS? My doctor said as long as I'm having regular periods it's not a problem but I would really like to know the significance. It wasn't exactly a reassuring finding after she essentially just said "yeah its fine". I am the type that wants to know why this happens! Confused

We have also been TTC since January after a MC. No luck yet. My ultrasound did reveal that I have a nice thick lining, I was Googling this and it might actually be too thick. Like 18mm.

My TSH also came back at 3.1 and I read the same thing you did about how it should be under 2.5.

GoingGently · 25/05/2021 10:48

Hi everyone! I just found this thread, which is great. I am a fellow Hashimoto's-haver (don't want to say sufferer!) who is TTC (cycle 1, just got a BFN on 11 DPO).
I was diagnosed with Hashi's about 3-4 years ago (can't quite remember). I had a ton of weird symptoms but my thyroid levels were clinically normal for about 1.5 years, though my antibodies went through the roof.
I've been on levo (50mg) for about a year and a half now. After about 6 months of starting meds I fell pregnant (aged 37) with my first baby (last year). The pregnancy turned out not to be OK and we lost her to TFMR last summer, which has obviously been devastating. The chromosomal abnormality was not hereditary and apparently nothing to do with my thyroid so I don't want to scare you! It does mean I'm back to square 1 though with TTC.
At one point prior to going on meds my TPO was >1300 (the point at which they stop counting!). I've never encountered an endocrinologist that I didn't think was a waste of space to be honest (one even told me that despite my antibody levels he thought I didn't have Hashimotos and just needed a good sleep!), If have any struggles getting pregnant this year I will certainly seek out a fertility or functional health practitioner instead. I have a similar experience that I know far more about thyroids and Hashimoto's now than my GPs do. There are very powerful online communities that are brimming with a wealth of knowledge that can be very powerful.
I just wanted to offer something that I read for the first time last week. Apparently if you are supplementing with biotin (quite likely if you're taking loads of supplements to TTC?), these can influence the results of thyroid tests and it's best to have a week off before testing. Apparently there are patients that end up over or under medicated as a result. Might be worth looking into? www.thyroid.org/patient-thyroid-information/ct-for-patients/december-2018/vol-11-issue-12-p-3-4/#:~:text=Most%20commonly%2C%20biotin%20use%20can,hormone%20dose%20is%20too%20high.
If you're already on meds, you should also have your bloods taken first thing in the morning before taking your meds (so you have 24 hours since your last dose) and just take your meds straight afterwards.
The other thing is that (if you are determined enough), Dr Isabella Wentz has a lot of good advice on lifestyle changes that calm Hashimoto's down. Her books the Root Cause and the Hashimoto's Protocol are worth a read. I went gluten free for six months before I fell pregnant last time and I think it helped. Not quite summoned the courage to make any major changes again yet as it's been a really hard year and that all went out of the window when I got pregnant and massively started craving bread!
Anyway, just a few thoughts that might help!

CTMcG · 24/05/2021 20:03

Thanks @Owl86 keep us updated on Thursday!Smile

Owl86 · 24/05/2021 20:01

@CTMcG Glad you got the meds and have taken your first dose already! Fingers crossed your TSH comes tumbling down very soon. 🤞

@FlyingGiraffe You're welcome, it's nice to feel I'm not alone too. Hope you can have a fruitful chat with your GP soon. I emailed mine some links the other day too - I now have a Bookmarks folder in my browser that's stuffed full to bursting with articles and resouces. 😂 And yes, I'll report back after my appointment on Thursday.

@PrimeraVez Thanks for sharing your story, it's really useful to hear everyone's experiences and gives me hope. 181 sounds crazy but I'm glad you're on a more even keel now. I'm also glad things are usually quick to improve once you're on the right dosage. I hope finding that dosage doesn't take months, as turning 35 later this year I don't feel like I have the luxury of time (or, frankly, the patience!) to delay TTC#1 that long. But I guess there's no point worrying about that yet, and the first step is to actually get any dosage at all!

OP posts:
CTMcG · 24/05/2021 19:32

@FlyingGiraffe so sorry to hear about your chemical! Id prefer af didnt show up but i took a frer this morning as its due and bfn. Cant really say its late though as i am not sure of my cycles yet. I came off pill im December and my cycles so far have been 42, 42 and 34. Today is cd34 so going by my last 3 cycles, it should be today/tomorrow but literally too early too tell what length my cycles actually are!

FlyingGiraffe · 24/05/2021 19:18

@CTMcG yes, if you can prevent a miscarriage that would save a lot of heart ache and worry. I had a chemical back in January and cant help but think that if I do fall again that it's not going to stick without sorting my thyroid out beforehand 😣 hope AF turns up for you soon 🤞

@PrimeraVez Whoa 181!! No wonder you felt awful! I'm so glad they sorted it and you've been looked after since! It gives me hope though so thanks for sharing your story! I feel fired up ready to go to the GP now 😂

CTMcG · 24/05/2021 19:03

@FlyingGiraffe preventing not pretending!

CTMcG · 24/05/2021 19:02

@FlyingGiraffe thank you! Now i am home from work and have looked through a few threads about it i am feeling more positive. The fact my doctor offered to start me on a small dose asap seems great considering quite a few people have had to push the matter!

Being on medication going into the 2nd month of ttc is great - it could potentially be pretending me from the heartache of MC's etc so have to see this as a positive thing!! Now if af would hurry up and show her ugly head! Cd34 today so expecting her this week. Cycles are pretty irregular! X

PrimeraVez · 24/05/2021 18:33

It’s great that you are onto the issue and pushing for it to be ‘fixed’ - it is usually pretty quick to improve once you are on the right dosage!

Just to share my experience, it took me nearly a year to conceive DC1. 4 months after he was born, I felt like I was dying and a blood test showed my TSH was 181. In hindsight I believe I was hypothyroid before I got pregnant, which meant it took a little while, and then pregnancy exacerbated it further.

I was referred to an endocrinologist and I very quickly (within maybe 6 weeks?) felt back to my usual self again. I then got a bit complacent with taking my thyroxine and I think my thyroid went out of whack again as I suffered two early miscarriages (I wasn’t actively TTC but wasn’t preventing either)

I then started to take it all a bit more seriously, had regular check ups with my endocrinologist etc and went on to get pregnant with DC2 in the first or second month of trying. I am now pregnant with DC3.

My endocrinologist likes my TSH to be under 2 when I fall pregnant and once I get my BFP, I see her straightaway and then every 4-6 weeks for follow ups and a blood test. For the first few times, my medication needed to increase but at 26 weeks, it now seems to be pretty stable at 250mg daily.

Wishing you the best of luck. I get the impression that in the Uk, it’s not something GPs are necessarily massively clued up on. But I wanted to offer some reassurance that it can be easily fixed and you will notice a difference almost instantly and most importantly, it is possible to go on to fall pregnant and have an uneventful pregnancy.

FlyingGiraffe · 24/05/2021 18:22

Hi @Owl86 - Sorry I didn't reply til now! Had family staying but it was so nice to feel like someone else understood, so thank you! I hope the appointment goes well on Thursday! Let me know what your GP says :) I'm definitely going to go back to mine and push like @bumphope2020 and @Talkwhilstyouwalk have suggested.

@Cheburashka Thank you also, it was so helpful. We're on the waiting list for fertility referral now but I think it's going to be a long wait! I do know my GP pretty well and she is really nice so I think I'm going to go back to her with the NICE and British Thyroid association guidance. I wish I could take a folder in but i'll just have to send the links and hope she reads them! Haha!

@CTMcG Sorry it wasn't the news you wanted to hear. Although I think it's good that you have a GP that seems to know the guidance! So many of them don't realise and it could be something that means you conceive faster so that's brilliant!

@ChinChilly Let us know how you get on with the GP appointment tomorrow. I hope they listen! I imagine it would put your mind at rest somewhat. x

CTMcG · 24/05/2021 17:52

@Owl86 yes, he did! SmileIm home and just took my first dose. 25mg of levothroxine and she wants me to get my bloods checked again in 6 weeks! Its so weird that she said first option was to take no medication and see how i get on ttc, surely if the level is preferably 2.5 and under and i am at 6 and ttc, medication should be a no brainer but what do i know! X

Owl86 · 24/05/2021 17:47

@CTMcG Hope your DH managed to get the prescription for you. 😊 I assume they're going to check your levels again after you've been on the 25mcg for a while?

I sent off my self-test sample today, after my DH and I had a palaver with the fingerprick kit. 😂 Hopefully I'll get the results in time for my next GP appointment on Thursday. Super nervous already.

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CTMcG · 24/05/2021 11:44

@Owl86 thank you, af is due this week so think i am extra emotional.

Yes 25mg she said. So DH collecting for me today as i am in work to 5pm and he is working from home so can nip out for me. God love him, hes trying to keep my spirits up and said sure you could even be pregnant now but i just feel it in my waters that i am not but yes, im doing something about it now rather than wait a year and then doing it x

Owl86 · 24/05/2021 11:20

Oh @CTMcG, I'm so sorry it wasn't the news you were hoping for. Flowers

It's not silly to feel tearful - I was the same when I got my results last week. I'm trying to tell myself it's better to find out now, fairly early in my TTC journey, rather than after trying unsuccessfully for months when I'll be even older.

The good thing is it's treatable, so I'm glad your GP has offered you levothyroxine. What dose is she putting you on? I think I read 25mcg or 50mcg are common starting doses?

Take care of yourself and keep us posted. I'm always happy to chat, and it looks like there are several of us here in the same boat x

OP posts:
CTMcG · 24/05/2021 10:06

@Owl86 i should mention, the other part was within normal range hence why subclinical. Im very technical lol

At least she give me the option to start on small dose now instead of fobbing me off

CTMcG · 24/05/2021 09:29

@Owl86 had a missed call from docs surgery first thing this morning so knew it wasnt great news😭

I am subclinical hypo. The thing that they prefer to be 2 for trying for a baby, mine is at 6.

She said i had 2 options. Continue without medication and see if i fall pregnant or start on a small dose of medication to lower that number. I said at 31 i dont want to waste time so i went with starting medication. Im a bit gutted tbh, in work and just want to go home and cry even tho i know that is silly, i am going into cycle 2 so not been trying long but feel that news has confirmed this isnt going to he an easy ride, pardon the pun x

Owl86 · 22/05/2021 08:28

@bumphope2020 Thanks for the info! I'll definitely keep pushing my GP. Given the NICE guidelines we've actually decided to put TTC on hold for this month, just while we try to sort things out a bit.

@Talkwhilstyouwalk Thanks for the advice. That gives me a bit of hope my GP will prescribe thyroxine after our appointment this week (or perhaps after they've spoken to specialist for advice, like you say).

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Talkwhilstyouwalk · 21/05/2021 21:42

You are right, it should be under 2.5. I'd go back to the GP and see if they could have a chat with a fertility specialist for you if they are unwilling to prescribe it themselves (although I had no problems getting my GP to do this for me during IVF treatment. You'll need a low level dose of levothyroxine for conception and pregnancy (probably not after you have given birth) and my bet is that you'll be pregnant shortly after you start taking it.

bumphope2020 · 21/05/2021 21:34

I had tests 12 months ago privately and TSH was 3. Gynaecologist said all good. Last week I finally had my first appointment with NHS after GP referral and they have asked for a retest and asked GP to prescribe thyroxine if over 2.5.
My advice would be to keep pushing your GP and if you do get pregnant try to get an appointment with a midwife ASAP to discuss medication