Gestational Diabetes and Thyroid Autoimmunity

Background. About 10% of pregnancies are complicated by previously unknown impairment of glucose metabolism, which is defined as gestational diabetes. There are little data available on prevalence of thyroid disorders in patients affected by gestational diabetes, and about their postgestational thyr...

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Main Authors: Ester Vitacolonna, Annunziata Lapolla, Barbara Di Nenno, Annalisa Passante, Ines Bucci, Cesidio Giuliani, Dominique Cerrone, Fabio Capani, Fabrizio Monaco, Giorgio Napolitano
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Endocrinology
Online Access:http://dx.doi.org/10.1155/2012/867415
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author Ester Vitacolonna
Annunziata Lapolla
Barbara Di Nenno
Annalisa Passante
Ines Bucci
Cesidio Giuliani
Dominique Cerrone
Fabio Capani
Fabrizio Monaco
Giorgio Napolitano
author_facet Ester Vitacolonna
Annunziata Lapolla
Barbara Di Nenno
Annalisa Passante
Ines Bucci
Cesidio Giuliani
Dominique Cerrone
Fabio Capani
Fabrizio Monaco
Giorgio Napolitano
author_sort Ester Vitacolonna
collection DOAJ
description Background. About 10% of pregnancies are complicated by previously unknown impairment of glucose metabolism, which is defined as gestational diabetes. There are little data available on prevalence of thyroid disorders in patients affected by gestational diabetes, and about their postgestational thyroid function and autoimmunity. We therefore investigated pancreatic and thyroid autoimmunity in gestational diabetic patients and in women who had had a previous gestational diabetic pregnancy. Methods. We investigated 126 pregnant women at the time of a 100-g oral glucose tolerance test: 91 were classified as gestational diabetics, and 35 were negative (controls). We also studied 69 women who had delivered a baby 18–120 months prior to this investigation and who were classified at that time gestational diabetics (38 women) or normally pregnant (31 women; controls). Results. Our data show no differences for both thyroid function and prevalence of autoimmune disorders during pregnancy; however, a significant increase in thyroid autoimmunity was seen in women previously affected by gestational diabetes. This increased prevalence of thyroid autoimmunity was not associated with the development of impaired glucose metabolism after pregnancy. Conclusions. Our data suggest that maternal hyperglycemia is a risk factor for the development of thyroid autoimmunity, a conclusion that should now be confirmed in a larger cohort of patients.
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spelling doaj-art-fded55b409214994926b4883cfe0d15b2025-02-03T06:00:33ZengWileyInternational Journal of Endocrinology1687-83371687-83452012-01-01201210.1155/2012/867415867415Gestational Diabetes and Thyroid AutoimmunityEster Vitacolonna0Annunziata Lapolla1Barbara Di Nenno2Annalisa Passante3Ines Bucci4Cesidio Giuliani5Dominique Cerrone6Fabio Capani7Fabrizio Monaco8Giorgio Napolitano9Clinical Research Center (CRC), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalyChair of Metabolic Diseases, Department of Clinical and Surgical Sciences, University of Padua, 35122 Padua, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, Italy“Leonardo da Vinci” Online University, Torrevecchia Teatina, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalySection of Endocrinology, Centre for Aging Sciences (CESI), “Gabriele d'Annunzio” University Foundation, 66013 Chieti, ItalyBackground. About 10% of pregnancies are complicated by previously unknown impairment of glucose metabolism, which is defined as gestational diabetes. There are little data available on prevalence of thyroid disorders in patients affected by gestational diabetes, and about their postgestational thyroid function and autoimmunity. We therefore investigated pancreatic and thyroid autoimmunity in gestational diabetic patients and in women who had had a previous gestational diabetic pregnancy. Methods. We investigated 126 pregnant women at the time of a 100-g oral glucose tolerance test: 91 were classified as gestational diabetics, and 35 were negative (controls). We also studied 69 women who had delivered a baby 18–120 months prior to this investigation and who were classified at that time gestational diabetics (38 women) or normally pregnant (31 women; controls). Results. Our data show no differences for both thyroid function and prevalence of autoimmune disorders during pregnancy; however, a significant increase in thyroid autoimmunity was seen in women previously affected by gestational diabetes. This increased prevalence of thyroid autoimmunity was not associated with the development of impaired glucose metabolism after pregnancy. Conclusions. Our data suggest that maternal hyperglycemia is a risk factor for the development of thyroid autoimmunity, a conclusion that should now be confirmed in a larger cohort of patients.http://dx.doi.org/10.1155/2012/867415
spellingShingle Ester Vitacolonna
Annunziata Lapolla
Barbara Di Nenno
Annalisa Passante
Ines Bucci
Cesidio Giuliani
Dominique Cerrone
Fabio Capani
Fabrizio Monaco
Giorgio Napolitano
Gestational Diabetes and Thyroid Autoimmunity
International Journal of Endocrinology
title Gestational Diabetes and Thyroid Autoimmunity
title_full Gestational Diabetes and Thyroid Autoimmunity
title_fullStr Gestational Diabetes and Thyroid Autoimmunity
title_full_unstemmed Gestational Diabetes and Thyroid Autoimmunity
title_short Gestational Diabetes and Thyroid Autoimmunity
title_sort gestational diabetes and thyroid autoimmunity
url http://dx.doi.org/10.1155/2012/867415
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AT cesidiogiuliani gestationaldiabetesandthyroidautoimmunity
AT dominiquecerrone gestationaldiabetesandthyroidautoimmunity
AT fabiocapani gestationaldiabetesandthyroidautoimmunity
AT fabriziomonaco gestationaldiabetesandthyroidautoimmunity
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