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Review Article
- Thyroid
- Diagnosis and Management of Thyroid Disease during Pregnancy and Postpartum: 2023 Revised Korean Thyroid Association Guidelines
- Hwa Young Ahn, Ka Hee Yi
- Endocrinol Metab. 2023;38(3):289-294. Published online June 9, 2023
- DOI: https://doi.org/10.3803/EnM.2023.1696
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- 3 Web of Science
- 3 Crossref
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Abstract
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ePub - Thyroid hormone plays a critical role in fetal growth and development, and thyroid dysfunction during pregnancy is associated with several adverse outcomes, such as miscarriage and preterm birth. In this review, we introduce and explain three major changes in the revised Korean Thyroid Association (KTA) guidelines for the diagnosis and management of thyroid disease during pregnancy: first, the normal range of thyroid-stimulating hormone (TSH) during pregnancy; second, the treatment of subclinical hypothyroidism; and third, the management of euthyroid pregnant women with positive thyroid autoantibodies. The revised KTA guidelines adopt 4.0 mIU/L as the upper limit of TSH in the first trimester. A TSH level between 4.0 and 10.0 mIU/L, combined with free thyroxine (T4) within the normal range, is defined as subclinical hypothyroidism, and a TSH level over 10 mIU/L is defined as overt hypothyroidism regardless of the free T4 level. Levothyroxine treatment is recommended when the TSH level is higher than 4 mIU/L in subclinical hypothyroidism, regardless of thyroid peroxidase antibody positivity. However, thyroid hormone therapy to prevent miscarriage is not recommended in thyroid autoantibody-positive women with normal thyroid function.
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- Use of thyroid hormones in hypothyroid and euthyroid patients: A survey of members of the Endocrine Society of Australia
Nicole Lafontaine, Suzanne J. Brown, Petros Perros, Enrico Papini, Endre V. Nagy, Roberto Attanasio, Laszlo Hegedüs, John P. Walsh
Clinical Endocrinology.2024; 100(5): 477. CrossRef - Management of Subclinical Hypothyroidism: A Focus on Proven Health Effects in the 2023 Korean Thyroid Association Guidelines
Eu Jeong Ku, Won Sang Yoo, Hyun Kyung Chung
Endocrinology and Metabolism.2023; 38(4): 381. CrossRef - Maternal isolated hypothyroxinemia in the first trimester is not associated with adverse pregnancy outcomes, except for macrosomia: a prospective cohort study in China
Jing Du, Linong Ji, Xiaomei Zhang, Ning Yuan, Jianbin Sun, Dan Zhao
Frontiers in Endocrinology.2023;[Epub] CrossRef
- Use of thyroid hormones in hypothyroid and euthyroid patients: A survey of members of the Endocrine Society of Australia
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