Reference Intervals for Thyroid Hormones During the First Trimester of Gestation: A Report from an Area with a Sufficient Iodine Level

Maryam Kianpour; Ashraf Aminorroaya; Massoud Amini; Awat Feizi; Mohsen Janghorbani; Saeideh Shokri; Sima Aminorroaya Yamini; Maryam Farghadani; Ali Hekmatnia; Hossien Gharib

doi:10.1055/a-1430-3456

Reference Intervals for Thyroid Hormones During the First Trimester of Gestation: A Report from an Area with a Sufficient Iodine Level

Horm Metab Res. 2021 Sep;53(9):634-637. doi: 10.1055/a-1430-3456. Epub 2021 Aug 12.

Affiliations

¹ Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, I. R. Iran.
² Department of Epidemiology and Biostatics, Isfahan University of Medical Sciences, Isfahan, I. R. Iran.
³ Department of Radiology, Isfahan University of Medical Sciences, Isfahan, I. R. Iran.
⁴ Sheffield Hallam University, Department of Engineering and Mathematics, Sheffield, South Yorkshire, UK.
⁵ Mayo Clinic Minnesota, Department of Endocrinology, Rochester, Minnesota, USA.

PMID: 34384102
DOI: 10.1055/a-1430-3456

Abstract

A concern was raised 1 regarding the number of pregnant women in the analysis of reference range for the thyroid hormones in pregnancy 2, where we reported 185 cases and it was believed to be 145 cases.

MeSH terms

Adult
Case-Control Studies
Cross-Sectional Studies
Female
Humans
Iodine / analysis
Iodine / metabolism*
Pregnancy
Pregnancy Complications / blood
Pregnancy Complications / diagnosis*
Pregnancy Trimester, First*
Reference Values
Thyroid Diseases / blood
Thyroid Diseases / diagnosis*
Thyroid Function Tests
Thyroid Hormones / blood*

Substances

Thyroid Hormones
Iodine