The association between COVID-19 pandemic and maternal isolated hypothyroxinemia in first and second trimesters

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Hua, J., Shen, J., Zhang, J., Zhou, Y., Du, W. ORCID: 0000-0002-5115-7214 and Williams, G.J. ORCID: 0000-0001-7689-1231, 2021. The association between COVID-19 pandemic and maternal isolated hypothyroxinemia in first and second trimesters. Psychoneuroendocrinology, 128: 105210. ISSN 0306-4530

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Official URL: https://doi.org/10.1016/j.psyneuen.2021.105210

Abstract

Background: The outbreak of COVID-19 epidemic has induced entire cities in China placed under ‘mass quarantine’. The majority of pregnant women have to be confined at home may be more vulnerable to stressors. In our study, we aimed to explore the effects of the epidemic on maternal thyroid function, so as to provide evidence for prevention and intervention of sustained maternal and offspring’s health impairment produced by thyroid dysfunction.
Methods: The subjects were selected from an ongoing prospective cohort study. we included the pregnant women who receive a thyroid function test during the COVID-19 epidemic and those receiving the test during the corresponding lunar period of 2019. A total of 7148 pregnant women with complete information were included in the final analysis. Multivariate linear and logistic regression models were used for analyzing the association of COVID-19 pandemic with FT4 levels and isolated hypothyroxinemia.
Results: We found a decreased maternal FT4 level during the period of the COVID-19 pandemic in first and second trimesters (β=-0. 131, 95%CI=-0.257,-0.006 p=0.040) and in first trimester (β=-0. 0.176, 95%CI=-0.326,-0.026 p=0.022) when adjusting for 25 (OH) vitamin D, vitamin B12, folate and ferritin and gestational days, maternal socio-demographic characteristics and health conditions. The status of pandemic increased the risks of isolated hypothyroxinemia in first and second trimesters (OR=1.547, 95%CI= 1.251,1.913, p < 0.001) and first trimester (OR=1.651, 95%CI=1.289,2.114, p < 0.001) when adjusting for the covariates. However, these associations disappeared in the women with positive TPOAb (p > 0.05). Additionally, we found associations between daily reported new case of COVID-19 and maternal FT4 for single-day lag1, lag3 and multi-day lag01 and lag04 when adjusting for the covariates (each p < 0.05).
Conclusions: Mass confinement as a primary community control strategy may have a significant cost to public health resources. Access to health service systems and adequate medical resources should be improved for pregnant women during the COVID-19 pandemic.

Item Type:

Journal article

Publication Title:

Psychoneuroendocrinology

Creators:

Hua, J., Shen, J., Zhang, J., Zhou, Y., Du, W. and Williams, G.J.

Publisher:

Elsevier

Date:

June 2021

Volume:

128