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Good Thyroid Care Can Prevent Miscarriage
If you are trying to conceive and have been told that your thyroid health is normal you may want to take a peak at your TSH number, especially if you have a previous history of miscarriage. A large study has proven what has been suspected for sometime, that a normal thyroid TSH reading can place you firmly within a high risk category for miscarriage - if your TSH is in the top half of the normal reference range.
This groundbreaking study presented at The Endocrine Society 2010 annual meeting showed that the miscarriage rate almost doubled if the TSH was allowed to rise above 2.5 mIU/L which is the mid-point of the current reference range that most physicians use. Dr. Stagnaro-Green, M.D., lead researcher of the study commented that:
"This study is the first evidence demonstrating that the upper half of the accepted normal range on thyroid function tests is associated with miscarriage in antibody-negative women. This leads us to think that all pregnant women should be screened for thyroid function and any abnormalities treated."
If you are trying to conceive it is critical to ensure that your TSH is well managed to prevent early miscarriage and boost fertility. In 2002 the NACB (National Academy of Clinical Biochemistry) recommended that in early pregnancy the TSH should be no more than 2.5 mIU/L but many physicians are not yet on-board with the new guidelines. Similarly the TSH needs to be well below 2.5 mIU/L before your conceive to confer maximum protection. Because many physicians still do not test the TSH in early pregnancy it is up to you to become a very savvy patient and ask for a TSH test before you conceive - and upon confirming pregnancy - to protect your baby.
Thyroid stimulating hormone (TSH) is produced by the pituitary gland in the brain which senses how much thyroid hormone is in your blood and tells your thyroid to produce more - or less - thyroid hormone accordingly. As the TSH number rises it reflects a reduction in the levels of thyroid hormones which are critical for a successful pregnancy - and optimum fertility.
Taking a little time to optimize your thyroid health before pregnancy and checking your levels when you first conceive may shorten your infertility journey and help protect your precious pregnancy when it is most vulnerable.
Proceedings of The Endocrine Society 92nd Annual Meeting, ENDO 2010, San Diego, June 22. Study led by Alex Stagnaro-Green, M.D., Senior Associate Dean for Education at The George Washington University School of Medicine and Health Sciences.
Content copyright © 2013 by Hannah Calef. All rights reserved.
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