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. 2023 Feb 22;108(5):731–743. doi: 10.1093/biolre/ioad024

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© The Author(s) 2023. Published by Oxford University Press behalf of Society for the Study of Reproduction.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Relative thyroid weights and circulating thyroid hormone levels over time of late gestation pregnant gilts. (A) Maternal thyroid weights expressed as a percentage of body weight measured on trial day 21. Individual data points are expressed as boxplots by treatment group (n = 4/group). Circulating (B) total T4 and (C) total T3 levels in pregnant gilts were measured via ELISA on trial day −3, 7, and 21. Measurements are expressed in SI units (nmol/L). Data are presented as boxplots groups by treatment (n = 4/group) with individual data points. Unique superscripts signify statistical differences between groups at the designated time point (P < 0.05). Absence of superscripts denotes no significant difference was detected between groups at that time point.