I just went to see an endocrinologist specializing in treating thyroid disorders and mentioned that my husband and I are TTC.
She was emphatic that I must inform her the minute I find out I'm pregnant because pregnant hypothyroid women need to keep their TSH under 2 during pregnancy. The risk of miscarriage is apparently greater if your TSH is above 2 (and oh so many doctors consider a TSH in the range of 4-5 normal).
She also told me that we would have to monitor TSH levels frequently because, often in pregnancy hypothyroid women will need up to 1/3 MORE hormone to maintain their pre-pregnancy TSH levels.
Its really true. Before I got my BFP my TSH was 0.44. I had it checked again at 4 weeks (really being pregnant for only 2 weeks) and it grew to 1.72.
As soon as I got my BFP I called my Endo and she preemptively increased my dosage from 112 to 137 and told me I'd need it checked in a month. My RE is the one who actually checked my TSH and said "your fine" but my Endo was like "you need the higher dosage because your needs are going to increase". I'm six weeks along right now and everything is going fine so far, but it does make me nervous.
My Endo told me that most of the time, these pregancies go fine so I shouldnt' stress about it. I hope she is right!
My endo says the same thing. For me, since I had thyroid cancer and had my thyroid removed, she wants me to keep my TSH under 1. She has said that if I do become pregnant on my own to call her and she will monitor me since my TSH levels seem to go up and down very easily. My reg doc thinks that if its at 4 I'm doing great.
One thing that has helped me keep my levels the same is to take my meds in two doses - one in the morning and one in before bed.
Normal ranges from lab results kind of make me crazy. These are normal to who? The only way labs are going to have a red flag to have any kind of attention towards them are if it's out of range. But like you've mentioned those ranges are not always good, are far to broad, and in this case especially for pregnant women. I am realizing how important it is to see specialists!
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Doing Low GI diet as of Sept. 07. DX with PCOS in Sept 07' as well.
Started at a size 24, now a size 14. My waist was 44", now it's 32".
I am on no medication, just diet and exercise.
Thank you all for your support and information! I encourage all of you to do a Low Glycemic diet!
My TSH level is 2.8 which is I guess w/in the so-called normal range, but my RE said he wanted it under 2.5 before TTC. I know that's because it increases during pregnancy, but does it also make it more difficult to conceive? My endo can't really answer why I haven't gotten pg yet (well, there is the fact that I don't O, but that's what he doesn't have an answer for) because w/ Met all of my test results are normal, but it doesn't seem like a level of 2.8 would hinder conception, right?
FYI I'm not TTC'ing in the sense that I'm temping, taking Clomid, etc - just in the sense that we're doing plenty of BD'ing w/o BC.
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Me & DH
TTC #1
2000mg Met, 1200mg DCI, 2250mg myo-inositol
Clomid Round 1 50mg - No O
Clomid Round 2 100mg + HCG trigger - O
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"I prayed for this child, and the LORD has granted me what I asked of him." I Samuel 1:27
It is so funny to read this post. I went to my doctor today and said I was thinking of going off my bc in 6 mo and just letting myself get pregnant when it happens. I feel like once someone tries it becomes so much more difficult because of the added stress. So I was going to see if in the next 3 years it just happened and she said "No that I must talk to her when I plan to try"
TSH Level Info for those TTC 
