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Original Article

Association between of vitamin B12 status during pregnancy and probable postpartum depression: the ECLIPSES study

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Received 13 Nov 2023, Accepted 10 Feb 2024, Published online: 05 Mar 2024
 

ABSTRACT

Background

B12 vitamin is essential for the functioning of the nervous system and the production of mood-related neurotransmitters. However, information on its association with postpartum depression (PPD) is limited.

Objective

To examine the effect of serum vitamin B12 levels during pregnancy on PPD, in healthy pregnant women from the Mediterranean region of Catalonia, Spain.

Method

This longitudinal study included a subsample of women at 54 days (7.7 weeks) postpartum (n = 336), who participated in the ECLIPSES Study conducted out in Tarragona, Spain. Maternal concentrations of vitamin B12 were determined in the first and third trimester of pregnancy and sociodemographic, nutritional, and psychological data were collected. PPD was assessed using the Edinburgh Postnatal Depression Scale (EPDS).

Results

The prevalence of probable PPD was 21%. After adjusting for sociodemographic, lifestyle, biochemical parameters, and postpartum characteristics the regression model showed a negative association between EPDS scores and the highest quartile of serum vitamin B12 (first quartile (reference) vs. fourth quartile), (β = -1.267, 95% CI = -2.461, −0.073, p = 0.038).

Conclusion

Maintaining a normal-high level of vitamin B12 during early pregnancy can contributes to preventing PPD.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Supplementary material

Supplemental data for this article can be accessed online at https://doi.org/10.1080/02646838.2024.2324043.

Additional information

Funding

The work was supported by the Instituto de Salud Carlos III [PI12/02777, PI17/01754]; Agència de Gestió d’Ajuts Universitaris i de Recerca [2022-FISDU-00129].

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