The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Subclinical Hyperthyroidism and Pregnancy Outcomes
Abstract
OBJECTIVE: Subclinical hyperthyroidism has long-term sequelae that include osteoporosis, cardiovascular morbidity, and progression to overt thyrotoxicosis or thyroid failure. The objective of this study was to evaluate pregnancy outcomes in women with suppressed thyroid-stimulating hormone (TSH) and normal free thyroxine (fT(4)) levels. METHODS: All women who presented to Parkland Hospital for prenatal care between November 1, 2000, and April 14, 2003, underwent thyroid screening by chemiluminescent TSH assay. Women with TSH values at or below the 2.5th percentile for gestational age and whose serum fT(4) levels were 1.75 ng/dL or less were identified to have subclinical hyperthyroidism. Those women screened and delivered of a singleton infant weighing 500 g or more were analyzed. Pregnancy outcomes in women identified with subclinical hyperthyroidism were compared with those in women whose TSH values were between the 5th and 95th percentiles. RESULTS: A total of 25,765 women underwent thyroid screening and were delivered of singleton infants. Of these, 433 (1.7%) were considered to have subclinical hyperthyroidism, which occurred more frequently in African-American and/or parous women. Pregnancies in women with subclinical hyperthyroidism were less likely to be complicated by hypertension (adjusted odds ratio 0.66, 95% confidence interval 0.44-0.98). All other pregnancy complications and perinatal morbidity or mortality were not increased in women with subclinical hyperthyroidism. CONCLUSION: Subclinical hyperthyroidism is not associated with adverse pregnancy outcomes. Our results indicate that identification of subclinical hyperthyroidism and treatment during pregnancy is unwarranted. LEVEL OF EVIDENCE: II-2.
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“It is not associated with adverse pregnancy outcomes (449).”
From 2016 American Thyroid Association Guidelines for Diagnosis and Management of Hyperthyroidism and Other Causes of Thyrotoxicosis (2016) · cites this paper as [449]
Citations
Cites
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Birth weight in relation to morbidity and mortality among newborn infants
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Self-citationSubclinical hypothyroidism and pregnancy outcomes
Casey, B. M., Dashe, J. S., Wells, C. E., McIntire, D. D., Byrd, W., Leveno, K. J., & Cunningham, F. G. (2005) · Obstetrics & Gynecology · doi:10.1097/01.aog.0000152345.99421.22 · Cited by 903
Self-citationLow birth weight and preeclampsia in pregnancies complicated by hyperthyroidism
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Self-citationHypothyroidism Complicating Pregnancy
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Cited by
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Stagnaro-Green, A., Abalovich, M., Alexander, E., Azizi, F., Mestman, J., Negro, R., Nixon, A., Pearce, E. N., Soldin, O. P., Sullivan, S., et al. (2011) · Thyroid · doi:10.1089/thy.2011.0087 · Cited by 2,942
Ross, D. S., Burch, H. B., Cooper, D. S., Greenlee, M. C., Laurberg, P., Maia, A. L., Rivkees, S. A., Samuels, M., Sosa, J. A., Stan, M. N., et al. (2016) · Thyroid® · doi:10.1089/thy.2016.0229 · Cited by 2,938
Alexander, E. K., Pearce, E. N., Brent, G. A., Brown, R. S., Chen, H., Dosiou, C., Grobman, W. A., Laurberg, P., Lazarus, J. H., Mandel, S. J., et al. (2017) · Thyroid® · doi:10.1089/thy.2016.0457 · Cited by 2,731
DeGroot, L. J., Abalovich, M., Alexander, E. K., Amino, N., Barbour, L. A., Cobin, R. H., Eastman, C. J., Lazarus, J. H., Luton, D., Mandel, S. J., et al. (2012) · The Journal of Clinical Endocrinology & Metabolism · doi:10.1210/jc.2011-2803 · Cited by 1,885
The Clinical Significance of Subclinical Thyroid Dysfunction
Biondi, B., & Cooper, D. S. (2008) · Endocrine Reviews · doi:10.1210/er.2006-0043 · Cited by 1,418
Metadata
- Authors
- Casey, B. M., Dashe, J. S., Wells, C. E., McIntire, D. D., Leveno, K. J., & Cunningham, F. G.
- Affiliations
- The University of Texas Southwestern Medical Center (US)
- Venue
- Obstetrics & Gynecology
- Published
- 2006-02
- Volume
- 107
- Issue
- 2, Part 1
- Pages
- 337-341
- ISSN
- 0029-7844 (ISSN-L)
- OpenAlex
- W1983381211
- Cited by
- 358
- References
- 26
- Citations by year
- 2026: 7 · 2025: 9 · 2024: 7 · 2023: 15 · 2022: 23 · 2021: 20 · 2020: 13 · 2019: 22 · 2018: 18 · 2017: 13 · 2016: 28 · 2015: 20 · 2014: 18 · 2013: 24 · 2012: 22
- FWCI
- 11.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Obstetrics and Gynecology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
- Health Sciences › Medicine › Surgery › Thyroid and Parathyroid Surgery
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Maternal Mental Health During Pregnancy and Postpartum
- Keywords
- subclinical hyperthyroidism, pregnancy outcomes, thyroid-stimulating hormone, free thyroxine, gestational age, hypertension in pregnancy, perinatal morbidity, African American women, parous women
- MeSH terms
- Adult, Female, Humans, Hyperthyroidism, Pregnancy, Pregnancy Complications, Pregnancy Outcome, Thyrotropin, Prevalence
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