Evidence map›Paper›PMID 32624035›Full record

ArticleEpidemiology and infection2020

Association of spontaneous abortion and

C N T Oliveira, M T S Oliveira, H B M Oliveira, L S C Silva, R S Freire, M N Santos Júnior, M V Oliveira, J Timenetsky, G B Campos, L M Marques

Abstract read
In one paragraph

Article in Epidemiology and infection, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

9 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Prevalence ofEpidemiology and infection · 2025
    Article
  3. Article
  4. Mycoplasma DnaK increases DNA copy number variants in vivo.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  5. Chorioamnionitis secondary toAdvances in laboratory medicine · 2023
    Article
  6. Retrospective Analysis of Azithromycin-ResistantInfection and drug resistance · 2023
    Article
  7. Genital infection withExperimental and therapeutic medicine · 2022
    Article
  8. Review
  9. A Review ofFrontiers in veterinary science · 2021
    Review
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

10 authors.

C N T OliveiraMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.
M T S OliveiraMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.
H B M OliveiraSanta Cruz State University, Ilhéus, Bahia, Brazil.
L S C SilvaSanta Cruz State University, Ilhéus, Bahia, Brazil.
R S FreireMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.
M N Santos JúniorSanta Cruz State University, Ilhéus, Bahia, Brazil.
M V OliveiraMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.
J TimenetskyDepartment of Microbiology, Institute of Biomedical Science, University of São Paulo, São Paulo, Brazil.
G B CamposMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.
L M MarquesMicrobiology and Immunology Laboratory, Federal University of Bahia, Anísio Teixeira Campus, Vitória da Conquista, Bahia, Brazil.ORCID 0000-0002-8276-8149

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Spontaneous abortion is considered a public health problem having several causes, including infections. Among the infectious agents, bacteria of the vaginal microbiota and Ureaplasma parvum have been associated with abortion, but their participation needs to be further elucidated. This study aims to evaluate the influence of Mollicutes on the development of spontaneous abortion. Women who underwent spontaneous abortion and those with normal birth (control) were studied. Samples of cervical mucus (CM) and placental tissue were collected to identify Mollicutes using the quantitative polymerase chain reaction methodology. Eighty-nine women who had a miscarriage and 20 women with normal pregnancies were studied. The presence of Mollicutes in placental tissue increased the chance of developing miscarriage sevenfold. The prevalence of U. parvum in women who experienced spontaneous abortion was 66.3% in placental tissue. A positive association was observed between the detection of U. parvum in samples of placental tissue and abortion. There was a significant increase in microbial load in placental tissue for M. hominis, U. urealyticum and U. parvum compared to the control group. Detection of U. parvum in CM in pregnant women can ascend to the region of the placental tissue and trigger a spontaneous abortion.

Indexed as

Abortion, SpontaneousAdultCase-Control StudiesCross-Sectional StudiesFemaleHumansPregnancyRisk FactorsUreaplasmaUreaplasma InfectionsYoung AdultMiscarriageMollicutesreproductive tract infectionsureaplasma infections

Identifiers

PMID32624035
PMCPMC7339087

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.