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Pregnancy

Talk about every stage of pregnancy, from early symptoms to preparing for birth.

Hypothyroidism detected in pregnancy

6 replies

Butterplum · 07/09/2026 11:22

I have been diagnosed with overt hypothyroidism in early pregnancy. My TSH was +40 even though I didn't have any typical symptoms. GP didn't seem to think this was particularly high, though my research says otherwise. I started Levothyroxine, which is when I was about 4 weeks pregnant. Am 7 weeks now and I don't have many pregnancy symptoms. I don't have any food aversions/nausea, even though I'm prone to nausea in 'normal life' (motion sickness etc). I'm now worried I may have had a missed miscarriage already. Anyone here who also had high TSH in early pregnancy/initially undetected hypothyroidism (without strong pregnancy symptoms), did you miscarry or had a successful pregnancy? Looking for similar experiences while waiting for my gyn appointment and next blood test. Thanks!

OP posts:
Cheese55 · 07/09/2026 11:29

Yes I had this, I was fast tracked through appts but still only saw endocrinologist after he was born. No concerns from midwife etc. Started in thyroxine then and still on it now, baby was fine.

MummyOre · 07/09/2026 11:43

Your GP needs to refer to an obstetric endocrinologist ASAP.

I miscarried at 13 weeks.

Subsequent pregnancy was fine as I was prescribed Thyroxine.

SlightlyTerrifiedButPolite · 07/09/2026 11:54

Have they started you on levrothyroxine yet?

Cheese55 · 07/09/2026 12:01

I never saw an obstetric endocrinologist ever....

Butterplum · 07/09/2026 12:14

@SlightlyTerrifiedButPolite yes I started 100ug 3 weeks ago
@MummyOre I have been referred. I'm sorry for your loss. Did you start any Levothyroxine during that pregnancy?

OP posts:
MummyOre · 07/09/2026 22:34

Butterplum · 07/09/2026 12:14

@SlightlyTerrifiedButPolite yes I started 100ug 3 weeks ago
@MummyOre I have been referred. I'm sorry for your loss. Did you start any Levothyroxine during that pregnancy?

No I was diagnosed after the miscarriage. It was a Thursday when my GP called and my GP knew I was TTC. I was started on 50mg of thyroxine.
He said to me, 'Whatever you do, don't get pregnant'.
The following Tuesday I had a positive. pregnancy test.

I was referred to an obstetric endocrinologist. They advised the GP to increase my thyroxine to 150mg.

My pregnancy was straight forward. I had regular bloods, extra scans and I had a beautiful dd.

Shes 12 now.

Wishing you the very best for a uneventful and happy pregnancy.

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