Evidence mapPaperPMID 40796293Full record

ArticleMetallomics : integrated biometal science2025

Metallomic profiles of pregnant women living with obesity in the UK: a secondary analysis of UPBEAT.

João Agostinho de Sousa, Alexander Griffiths, Kathryn V Dalrymple, Sara L White, Ferdinand von Meyenn, Lucilla Poston, Jessica Rigutto-Farebrother, Angela C Flynn

Abstract read
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Article in Metallomics : integrated biometal science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

João Agostinho de SousaLaboratory of Nutrition and Metabolic Epigenetics, Department of Health Sciences and Technology, ETH Zurich, Zürich 8092, Switzerland.ORCID 0000-0001-8124-6624
Alexander GriffithsLondon Metallomics Facility, King's College London, London SE1 9NH, UK.
Kathryn V DalrympleDepartment of Nutritional Sciences, School of Life Course and Population Sciences, King's College London, London SE1 8WA, UK.
Sara L WhiteDepartment of Women and Children's Health, School of Life Course and Population Sciences, King's College London, London SE1 7EH, UK.
Ferdinand von MeyennLaboratory of Nutrition and Metabolic Epigenetics, Department of Health Sciences and Technology, ETH Zurich, Zürich 8092, Switzerland.ORCID 0000-0001-9920-3075
Lucilla PostonDepartment of Women and Children's Health, School of Life Course and Population Sciences, King's College London, London SE1 7EH, UK.
Jessica Rigutto-FarebrotherLaboratory of Nutrition and Metabolic Epigenetics, Department of Health Sciences and Technology, ETH Zurich, Zürich 8092, Switzerland.
Angela C FlynnDepartment of Nutritional Sciences, School of Life Course and Population Sciences, King's College London, London SE1 8WA, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Characterization of serum metal element concentrations in pregnancy enables the elucidation of relationships with maternal-fetal and neonatal health. Metal elements in the blood serve as essential cofactors for enzymatic reactions and contribute to blood gas homeostasis, hormone synthesis, and physiological immune function for mother and fetus. Sub-optimal concentrations of some metals have been linked to adverse outcomes, including preterm birth, low birth weight, and impaired neurodevelopment. Maternal obesity also adversely influences metabolic status, including metal metabolism, with the potential for a heightened risk of complications at delivery and long-term health issues in offspring. Research on metal element levels in pregnant women with obesity and their effects on pregnancy outcomes is however limited. This study aims to characterize mid-gestation serum concentrations of 18 metal elements in samples from 755 pregnant women with obesity enrolled in the UK Pregnancies Better Eating and Activity Trial (UPBEAT) and identify associations with pregnancy outcomes. We found that calcium concentration tended to decrease with increasing parity, with an estimated reduction of 6.03 mg/L in multiparous participants compared to nulliparous participants (95% CI: -9.50 to -2.57 mg/L, P = 0.001). Additionally, elevated manganese concentrations at mid-pregnancy were associated with an increased incidence of antepartum haemorrhage after 34 weeks (OR: 4.62, 95% CI: 2.06-12.4, P < 0.001), and higher maternal phosphorus levels were linked to neonatal intensive care unit admissions (OR: 2.83, 95% CI: 1.75-4.67, P < 0.001). A future focus on dysregulation of these metal elements is needed to improve understanding of the clinical associations observed.

Indexed as

MetalsObesityPregnancy ComplicationsAdultFemaleHumansPregnancyPregnancy OutcomeUnited KingdomMetals

Identifiers

PMID40796293
PMCPMC12378400

What Socratic holds

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.