ATA Guidelines Tools

Source Korevaar TI*, Leung AM*, Alexander EK, Bliddal S, Boelaert K, Brenta G, Chou R, Dhillon-Smith R, Dosiou C, Eaton JL, Guan H, Kilpatrick SJ, Lasserre BJ, Lee SY, Maraka S, Meister KD, Morris- Wiseman LF, Nguyen CT, Pearce EN, Shan Z. American yroid Association yroid Disease in Preconception, Pregnancy, and Postpartum Guidelines Task Force. 2025 American yroid Association Management Guidelines for yroid Disease in Preconception, Pregnancy, and Postpartum. yroid 2026. * Drs Korevaar and Leung were co-chairs of the writing group and are co-first authors, contributing equally to the manuscript. American yroid Association Headquarters 2000 Duke Street, Suite 300 • Alexandria, VA 22314 Phone: 703.998.8890 • Fax: 703.998.8893 • www.thyroid.org Physician referral, patient resources available online in English and Spanish. Abbreviations ANO1, anoctamin-1; ATA, American yroid Association; ATD, antithyroid drugs; CEA, carcinoembryonic antigen; CFTR, cystic fibrosis transmembrane conductance regulator; CMZ, carbimazole; DTC, differentiated thyroid cancer; EBRT, external beam radiation therapy; FT3, free triiodothyronine; FT4, free thyroxine; GTT, gestational transient thyrotoxicosis; hCG, human chorionic gonadotropin; LT3, liothyronine; LT4, levothyroxine; MMI, methimazole; MTC, medullary thyroid cancer; NIS, sodium/iodide symporter; PPT, postpartum thyroiditis; PTU, propylthiouracil; RAI, radioactive iodine; RFA, radiofrequency ablation; RLN, recurrent laryngeal nerve; SSKI, saturated solution of potassium iodide; TBG, thyroxine binding globulin; TgAb, thyroglobulin antibody; TPOAb, thyroperoxidase antibody; TRab, TSH receptor antibodies; TSH, thyroid stimulating hormone; TSHR-Ab, thyrotropin receptor antibody; TSI, thyroid stimulating immunoglobulin; TT3, total triiodothyronine; TT4, total thyroxine; UIC, urinary iodine concentration; ULN, upper limit of normal Disclaimer is resource is for informational purposes only, intended as a quick-reference tool based on the cited source guideline(s), and should not be used as a substitute for the independent professional judgment of healthcare providers. Practice guidelines are unable to account for every individual variation among patients or take the place of clinician judgment, and the ultimate decision concerning the propriety of any course of conduct must be made by healthcare providers aer consideration of each individual patient situation. Guideline Central does not endorse any specific guideline(s) or guideline recommendations and has not independently verified the accuracy hereof. Any use of this resource or any other Guideline Central resources is strictly voluntary. 1258 Upsala Rd Sanford, FL 32771 TEL: 407.878.7606 Order additional copies at GuidelineCentral.com Copyright © 2026 All rights reserved ATAPREG05262b Guideline Grading System Strength of Recommendation Certainty of Evidence Strong Recommendation High-quality evidence Conditional Recommendation Moderate-quality evidence Good Practice Statement Low-quality evidence Very low evidence

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