Figure 1

![Figure 1: Reference ranges for first-trimester plasma selenium, zinc, or copper concentrations in a general pregnant population, adjusted for supplement intake. The data examine relationships between maternal mineral status and thyroid function markers including free thyroxine and thyrotropin.]()

> Source: Victor Pop et al. "Plasma mineral (selenium, zinc or copper) concentrations in the general pregnant." *The British journal of nutrition*, 2021. PMID: [32660679](https://pubmed.ncbi.nlm.nih.gov/32660679/)

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  <img src="" alt="Reference ranges for first-trimester plasma selenium, zinc, or copper concentrations in a general pregnant population, adjusted for supplement intake. The data examine relationships between maternal mineral status and thyroid function markers including free thyroxine and thyrotropin." />
  <figcaption>Figure 1. Reference ranges for first-trimester plasma selenium, zinc, or copper concentrations in a general pregnant population, adjusted for supplement intake. The data examine relationships between maternal mineral status and thyroid function markers including free thyroxine and thyrotropin.<br>  Source: Victor Pop et al. "Plasma mineral (selenium, zinc or copper) concentrations in the general pregnant." <em>The British journal of nutrition</em>, 2021. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/32660679/">32660679</a></figcaption>
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