{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T22:10:47Z","timestamp":1790892647713,"version":"4.1.0"},"reference-count":46,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,2,22]],"date-time":"2021-02-22T00:00:00Z","timestamp":1613952000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Diabetes Metabolism Res"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aims<\/jats:title><jats:p>To determine the relationship between thyroid markers during pregnancy and gestational diabetes mellitus (GDM) or post\u2010partum glucose metabolism.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Based on pregnancy 75\u2010g oral glucose tolerance test (OGTT) results, 1467 subjects were grouped into normal glucose tolerance (NGTp; <jats:italic>n<\/jats:italic>\u00a0=\u00a0768) and GDM (<jats:italic>n<\/jats:italic>\u00a0=\u00a0699) groups. Furthermore, based on post\u2010partum 75\u2010g OGTT results, 286 GDM subjects, screened for glucose metabolism after delivery, were grouped into NGTd (<jats:italic>n<\/jats:italic>\u00a0=\u00a0241) and abnormal glucose tolerance (AGT; <jats:italic>n<\/jats:italic>\u00a0=\u00a045) groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Maternal age, family history of diabetes, acanthosis nigricans, previous adverse pregnancy outcomes and caesarean section incidence, and thyroid positive antibody rates were higher in the GDM group than in the NGTp group. In the first trimester, free triiodothyronine (FT3), thyroid peroxidase antibody (TPOAb) and thyroglobulin antibody (TgAb) levels were higher in the GDM group than in the NGTp group. In the second trimester, free thyroxine (FT4) levels were lower and TPOAb and TgAb levels were higher in the GDM group than in the NGTp group. After adjusting for confounding factors, FT3, TPOAb and TgAb (first trimester), and FT4, TPOAb and TgAb (second trimester) were risk factors for GDM. TPOAb and TgAb levels were higher in the AGT group than in the NGTd group and were potential predictors of abnormal post\u2010partum glucose tolerance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>GDM risk significantly increased with increased FT3 (first trimester), TPOAb and TgAb (first and second trimesters) or with decreased FT4 (second trimester). Presence of thyroid antibodies predicted post\u2010partum glucose abnormalities in subjects with GDM.<\/jats:p><\/jats:sec>","DOI":"10.1002\/dmrr.3441","type":"journal-article","created":{"date-parts":[[2021,1,24]],"date-time":"2021-01-24T07:48:43Z","timestamp":1611474523000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["A longitudinal study of thyroid markers during pregnancy and the risk of gestational diabetes mellitus and post\u2010partum glucose metabolism"],"prefix":"10.1002","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8171-6470","authenticated-orcid":false,"given":"Lei","family":"Tang","sequence":"first","affiliation":[{"name":"Department of Endocrinology Shengjing Hospital of China Medical University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ping","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Endocrinology 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