Evidence map›Paper›PMID 33596868›Full record

ArticleBMC pregnancy and childbirth2021

Cross-sectional association between vitamin B12 status and probable postpartum depression in Indian women.

Pooja Dhiman, Raji Ramachandran Pillai, Anand Babu Wilson, Nancy Premkumar, Balaji Bharadwaj, Veena P Ranjan, Soundravally Rajendiran

Open access · goldAbstract read
In one paragraph

Article in BMC pregnancy and childbirth, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 2 pooled it
4.3field-weighted citation impact, top 6% of its field
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

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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

Who cites it

17 citing papers in PubMed, 2 syntheses or guidelines pooled it, 28 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Pooja DhimanDepartment of Biochemistry, JIPMER, Puducherry, India.
Raji Ramachandran PillaiDepartment of Biochemistry, JIPMER, Puducherry, India.
Anand Babu WilsonDepartment of Biochemistry, JIPMER, Puducherry, India.
Nancy PremkumarMedico-Social Wing, JIPMER, Puducherry, India.
Balaji BharadwajDepartment of Psychiatry, JIPMER, Puducherry, India.
Veena P RanjanDepartment of Obstetrics & Gynecology, JIPMER, Puducherry, India.
Soundravally RajendiranDepartment of Biochemistry, JIPMER, Puducherry, India. soundy27@gmail.com.ORCID http://orcid.org/0000-0002-4908-2372
Jawaharlal Institute of Post Graduate Medical Education and Research · IN

Funding

Department of Science and Technology, Government of India LS/299
6 · The paper itself

Abstract

backgroundVitamin B12 is an essential micronutrient for neurological function, as it leads to the regeneration of methionine from homocysteine, which is precursor of biologically active molecule S-Adenosyl Methionine (SAM). Pregnancy is a state of increased demand and delayed postpartum repletion of nutrients may predispose women to depression.

methodsWe included women who visited the hospital at 6-weeks postpartum for a regular checkup. Inclusion criteria were age (18-50 years), and willingness to donate venous sample for analysis. Exclusion criteria included previous history of mood disorders or antidepressant medication use, and any systemic illness like hypothyroidism, epilepsy, diabetes, and hypertension. Based on EPDS score of 10 as a cutoff, 217 women with probable postpartum depression (PPD) and equal number of age and BMI matched controls were included. Plasma total vitamin B12, holotranscobalamin (holotc), homocysteine (hcy), methyl malonic acid (MMA), 5-methyl tetrahydrofolate (THF), SAM and serotonin levels were estimated using commercially available ELISA kits. Combined B12 (cB12) score was calculated from study parameters. Multivariate analysis was performed to assess the risk of probable postpartum depression.

resultsTotal vitamin B12 and combined B12 score were found to be significantly lower (p = 0.001) and MMA (p = 0.002) and 5-methyl THF (p < 0.001) levels were higher in women with probable depression than women without probable PPD. Women in the lowest vitamin B12 quartile had 4.53 times higher likelihood of probable postpartum depression (p < 0.001). Multivariate analysis demonstrated that decreasing vitamin B12 (OR = 0.394; 95% CI: 0.189-0.822) and cB12 (OR = 0.293; 95% CI: 0182-0.470) and increasing MMA (OR = 2.14; 95% CI: 1.63-2.83) and 5-methyl THF levels (OR = 3.29; 95% CI: 1.59-6.83) were significantly associated with the risk of probable PPD.

conclusionLow vitamin B12 may contribute to depressive symptoms in vulnerable postpartum period.

Indexed as

AdolescentAdultCesarean SectionCross-Sectional StudiesDepression, PostpartumDietFemaleHomocysteineHumansIndiaMethylmalonic AcidPregnancyPregnancy, UnplannedRisk FactorsS-AdenosylmethionineSerotonin5-methyltetrahydrofolateHomocysteineMethylmalonic AcidS-AdenosylmethionineSerotoninTetrahydrofolatesTranscobalaminsVitamin B 12FolatePostpartum depressionVitamin B12

Identifiers

PMID33596868
PMCPMC7890831
OpenAlexW3110793221

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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 OpenQuestion graph.