SynthesisNutrients2023
The Influence of Maternal Folate Status on Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis.
Synthesis in Nutrients, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled 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.
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.
Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.
- Folic Acid Supplementation and Risk of Gestational Diabetes Mellitus: A Systematic Review of the Literature.International journal of molecular sciences · 2025Pooled it
- Association between assisted reproductive technology and gestational diabetes mellitus: the role of serum folate and triglycerides.Nutrition & diabetes · 2026Observational
- Excess folic acid disrupts placental endocrine functionFrontiers in nutrition · 2026Article
- The roles of folate, MTHFR genetics, vitamin B12 in pregnancy outcomes.Frontiers in nutrition · 2026Review
- Highly Soluble Ternary Amorphous Glibenclamide-Arginine-Folic Acid Formulation Using Arginine as a Coformer, and Wettability Agent.AAPS PharmSciTech · 2025Article
- Investigating the role of homocysteine and B vitamins in gestational diabetes mellitus: Mendelian randomization study.Nutrition journal · 2025Article
- Article
- Association between Early Pregnancy Maternal Folate and Glycemic Indices at Oral Glucose Tolerance Test: A Systematic Review and Meta-analysis.Current developments in nutrition · 2025Article
- Scientific and Public Health Challenges in Folic Acid Supplementation: Insights from Brazil and Global Implications.Nutrients · 2025Review
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
Maternal folate has been shown to relate to the risk of gestational diabetes mellitus (GDM). However, the existing studies have yielded inconsistent conclusions. The purpose of this study was to systematically review the association between maternal folate status and the risk of GDM. Observational studies up to 31 October 2022 were included. Study characteristics, the means and standard deviations (SDs) of folate levels (serum/red blood cell (RBC)), the odds ratios (ORs) with 95% confidence intervals (CIs) and the time for folate measurement were extracted. Compared with the non-GDM group, serum and RBC folate levels in women with GDM were significantly higher. Our subgroup analysis demonstrated that serum folate levels in the GDM group were significantly higher than in the non-GDM group only in the second trimester. RBC folate levels in the GDM group were significantly higher than in the non-GDM group in the first and second trimesters. Taking serum/RBC folate levels as continuous variables, the adjusted odds ratios of GDM risk showed that increased serum folate concentration rather than RBC folate elevated the risk of GDM. In the descriptive analysis, five studies reported high serum folate levels increased GDM risk, whereas the other five showed no association between serum folate levels and GDM risk. Moreover, the rest three studies pointed out high RBC folate levels increased GDM risk. Altogether we found that the risk of GDM is associated with high serum/plasma and RBC folate levels. Future studies should determine the recommended folic acid cutoff balancing the risk for GDM and fetal malformations.
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Registered trials
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.