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Longitudinal metabolic profiling of women using selective serotonin reuptake inhibitors during pregnancy

Itkonen A, Kärkkäinen O, Sahlman H, Keski-Nisula L, Rysä J

Metabolomics : Official journal of the Metabolomic Society, 2025

122 participants · 1 citation

Abstract

Introduction: Selective serotonin reuptake inhibitors (SSRIs) are the most prescribed antidepressants for pregnant women. While SSRIs are known to alter the circulating metabolic profile in non-pregnant individuals, the association between SSRIs and the changes in circulating metabolome during pregnancy remains unstudied. Pregnancy itself induces significant metabolic adjustments to meet the increased nutritional demands, and these maternal metabolic changes are crucial for the normal development and growth of the fetus.

Objectives: To study the impact of SSRI usage on circulating maternal metabolome during pregnancy.

Methods: A targeted nuclear magnetic resonance (NMR) spectroscopy method was used to analyze maternal serum samples obtained from the first trimester of pregnancy and at the time of the delivery from both SSRI users (n = 122) and non-depressive controls without antidepressants (n = 117) for concentrations of metabolites and lipoproteins.

Results: During the first trimester of pregnancy, SSRI usage was associated with increased lipid content in sixteen very low-density lipoprotein (VLDL) and chylomicron subtypes. At delivery, SSRI users exhibited alterations in lipoprotein lipid and fatty acid ratios. Similarly, while investigating the influence of SSRI usage on the pregnancy-driven changes in the metabolome, the interplay between pregnancy progression and SSRI usage lowered the lipoprotein lipid ratios.

Conclusion: Our analysis revealed a significant…

How strong is the evidence?

Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 122 participants or records.

How the five levels of evidence work. The level is assigned automatically from the abstract and can be wrong, so check the paper.

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