Cervical length distribution among Brazilian pregnant population and risk factors for short cervix: A multicenter cross-sectional study

dc.creatorKaline Gomes Ferrari Marquat
dc.creatorThe P5 Working Group
dc.creatorMário Dias Corrêa Júnior
dc.creatorThais Valeria Silva
dc.creatorBen W. Mol
dc.creatorJosé Guilherme Cecatti
dc.creatorRenato Passini Jr.
dc.creatorCynara Maria Pereira
dc.creatorThaisa Guedes Bortoletto
dc.creatorTatiana F. Fanton
dc.creatorRodolfo C. Pacagnella
dc.date.accessioned2023-12-07T21:26:25Z
dc.date.accessioned2025-09-08T23:49:34Z
dc.date.available2023-12-07T21:26:25Z
dc.date.issued2022-10-07
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0272128
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/1843/61843
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPLoS ONE
dc.rightsAcesso Aberto
dc.subjectGravidez
dc.subjectFatores de risco
dc.subjectEstudos Transversais
dc.subject.otherGravidez
dc.subject.otherFatores de risco
dc.subject.otherEstudos Transversais
dc.titleCervical length distribution among Brazilian pregnant population and risk factors for short cervix: A multicenter cross-sectional study
dc.typeArtigo de periódico
local.citation.epage16
local.citation.issue10
local.citation.spagee0272128
local.citation.volume17
local.description.resumoObjective Since there are populational differences and risk factors that influence the cervical length, the aim of the study was to construct a populational curve with measurements of the uterine cervix of pregnant women in the second trimester of pregnancy and to evaluate which variables were related to cervical length (CL) ≤25 mm. Materials and methods This was a multicenter cross-sectional study performed at 17 hospitals in several regions of Brazil. From 2015 to 2019, transvaginal ultrasound scan was performed in women with singleton pregnancies at 18 0/7 to 22 6/7 weeks of gestation to measure the CL. We analyzed CL regarding its distribution and the risk factors for CL ≤25 mm using logistic regression. Results The percentage of CL ≤ 25mm was 6.67%. Shorter cervices, when measured using both straight and curve techniques, showed similar results: range 21.0–25.0 mm in straight versus 22.6–26.0 mm in curve measurement for the 5th percentile. However, the difference between the two techniques became more pronounced after the 75th percentile (range 41.0–42.0 mm straight x 43.6–45.0 mm in curve measurement). The risk factors identified for short cervix were low body mass index (BMI) (OR: 1.81 CI: 1.16–2.82), higher education (OR: 1.39 CI: 1.10–1.75) and personal history ([one prior miscarriage OR: 1.41 CI: 1.11–1.78 and ≥2 prior miscarriages OR: 1.67 CI: 1.24–2.25], preterm birth [OR: 1.70 CI: 1.12–2.59], previous low birth weight <2500 g [OR: 1.70 CI: 1.15–2.50], cervical surgery [OR: 4.33 CI: 2.58–7.27]). By contrast, obesity (OR: 0.64 CI: 0.51–0.82), living with a partner (OR: 0.76 CI: 0.61–0.95) and previous pregnancy (OR: 0.46 CI: 0.37–0.57) decreased the risk of short cervix. Conclusions The CL distribution showed a relatively low percentage of cervix ≤25 mm. There may be populational differences in the CL distribution and this as well as the risk factors for short CL need to be considered when adopting a screening strategy for short cervix.
local.identifier.orcidhttps://orcid.org/0000-0002-8718-5372
local.identifier.orcidhttps://orcid.org/0000-0002-5739-0009
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE GINECOLOGIA OBSTETRÍCIA
local.publisher.departmentMEDICINA - FACULDADE DE MEDICINA
local.publisher.initialsUFMG
local.url.externahttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0272128#:~:text=The%20distribution%20showed%20a%20low,g%20and%20prior%20cervical%20surgery.

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