Evidence map›Paper›PMID 37438386›Full record

ArticleNature communications2023

Abrupt perturbation and delayed recovery of the vaginal ecosystem following childbirth.

Elizabeth K Costello, Daniel B DiGiulio, Anna Robaczewska, Laura Symul, Ronald J Wong, Gary M Shaw, David K Stevenson, Susan P Holmes, Douglas S Kwon, David A Relman

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
5.7field-weighted citation impact, top 3% 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

25 citing papers in PubMed, 31 citations in OpenAlex.

  1. Trial
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  4. Vaginal Microbiota and Pelvic Floor Dysfunction: Mechanistic Insights and Therapeutic Implications.Medical science monitor : international medical journal of experimental and clinical research · 2026
    Review
  5. Review
  6. Article
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  8. Review
  9. Review
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  11. Article
  12. Increased vaginalmSystems · 2025
    Article
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  15. Article
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  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 1 country.

Elizabeth K CostelloDepartment of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA. costelle@stanford.edu.ORCID http://orcid.org/0000-0002-6441-2931
Daniel B DiGiulioDepartment of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA.
Anna RobaczewskaDepartment of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA.
Laura SymulDepartment of Statistics, Stanford University, Stanford, CA, 94305, USA.ORCID http://orcid.org/0000-0001-9286-0590
Ronald J WongDepartment of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.ORCID http://orcid.org/0000-0003-1205-6936
Gary M ShawDepartment of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.
David K StevensonDepartment of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.
Susan P HolmesDepartment of Statistics, Stanford University, Stanford, CA, 94305, USA.
Douglas S KwonRagon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA.ORCID http://orcid.org/0000-0001-8521-8735
David A RelmanDepartment of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA. relman@stanford.edu.ORCID http://orcid.org/0000-0001-8331-1354
Stanford University · USRagon Institute of MGH, MIT and Harvard · USVA Palo Alto Health Care System · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The vaginal ecosystem is closely tied to human health and reproductive outcomes, yet its dynamics in the wake of childbirth remain poorly characterized. Here, we profile the vaginal microbiota and cytokine milieu of participants sampled longitudinally throughout pregnancy and for at least one year postpartum. We show that delivery, regardless of mode, is associated with a vaginal pro-inflammatory cytokine response and the loss of Lactobacillus dominance. By contrast, neither the progression of gestation nor the approach of labor strongly altered the vaginal ecosystem. At 9.5-months postpartum-the latest timepoint at which cytokines were assessed-elevated inflammation coincided with vaginal bacterial communities that had remained perturbed (highly diverse) from the time of delivery. Time-to-event analysis indicated a one-year postpartum probability of transitioning to Lactobacillus dominance of 49.4%. As diversity and inflammation declined during the postpartum period, dominance by L. crispatus, the quintessential health-associated commensal, failed to return: its prevalence before, immediately after, and one year after delivery was 41%, 4%, and 9%, respectively. Revisiting our pre-delivery data, we found that a prior live birth was associated with a lower odds of L. crispatus dominance in pregnant participants-an outcome modestly tempered by a longer ( > 18-month) interpregnancy interval. Our results suggest that reproductive history and childbirth in particular remodel the vaginal ecosystem and that the timing and degree of recovery from delivery may help determine the subsequent health of the woman and of future pregnancies.

Indexed as

MicrobiotaParturitionCytokinesFemaleHumansInflammationLactobacillusLive BirthPregnancyCytokines

Identifiers

PMID37438386
PMCPMC10338445
OpenAlexW4384025670

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.