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Gestational diabetes

Compared within 2 studies that had both: 142 people with gestational diabetes and 142 healthy people. 5 microbes are less common in people with gestational diabetes, and 2 more common.

A difference is an association: it doesn’t mean these microbes cause, prevent or treat gestational diabetes.

Phylum

Searching opens both lists and shows only matching rows.

Less common in gestational diabetes · 5

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. [Eubacterium] siraeum in 2 studies Healthy 44% gestational diabetes 23%
  2. Sutterella wadsworthensis in 2 studies Healthy 47% gestational diabetes 25%
  3. Mitsuokella multacida in 2 studies Healthy 11% gestational diabetes 1.4%
  4. Ruminococcus callidus in 2 studies Healthy 52% gestational diabetes 35%
  5. Anaerotruncus rubiinfantis in 2 studies Healthy 39% gestational diabetes 23%

More common in gestational diabetes · 2

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Mediterraneibacter gnavus in 2 studies Healthy 52% gestational diabetes 74%
  2. Alistipes dispar in 2 studies Healthy 9.9% gestational diabetes 25%

As many carry these · 2 the amount differs

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Streptococcus salivarius in 2 studies Healthy 89% gestational diabetes 82%

    Carriers have about half as much, in 2 of 2 studies (0.04% → 0.02% of their gut microbes).

  2. Escherichia coli in 2 studies Healthy 84% gestational diabetes 87%

    Carriers have about a third as much, in 2 of 2 studies (0.14% → 0.05% of their gut microbes).

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in China.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 390 microbes

Compared within studies that had both, but not listed above.

Studies disagree · 2

No meaningful difference · 388
PubMed · human studies and reviews first

Recent research

All research on it
  1. Observational Nutrients · 2026
    Study on Association Between Gut Microbiota, Serum Metabolism and Gestational Diabetes Mellitus Based on Metagenomic and Metabolomics Analysis.
    PubMed ↗
  2. Clinical trial BMC pregnancy and childbirth · 2024
    Imbalance of gut microbiota in gestational diabetes.
    PubMed ↗
  3. Randomized trial American journal of obstetrics & gynecology MFM · 2023
    The effect of oral probiotics on glycemic control of women with gestational diabetes mellitus-a multicenter, randomized, double-blind, placebo-controlled trial.
    PubMed ↗
  4. Randomized trial The British journal of nutrition · 2023
    The impact of fish oil and/or probiotics on serum fatty acids and the interaction with low-grade inflammation in pregnant women with overweight and obesity: secondary analysis of a randomised controlled trial.
    PubMed ↗
  5. Observational Advanced science · 2023
    The Gut Microbiome Dynamically Associates with Host Glucose Metabolism throughout Pregnancy: Longitudinal Findings from a Matched Case-Control Study of Gestational Diabetes Mellitus.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 37 linked papers, last 10 years