Observational studyBMC pregnancy and childbirth2025
Outcomes of ultrasound-indicated cerclage in low-risk pregnancies: a retrospective observational study.
Observational study in BMC pregnancy and childbirth, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
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Who cites it
1 citing paper in PubMed.
- Risk factors for preterm birth and prolonged pregnancy following cervical cerclage in women with cervical insufficiency: a retrospective analysis and predictive model.BMC pregnancy and childbirth · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundManagement of pregnancies with a sonographically short cervix ≤ 25 mm and no prior history of preterm birth remains uncertain. We compared ultrasound-indicated cerclage vs. expectant management in these pregnancies.
methodsThis was a retrospective observational study of patients from a single academic tertiary care center. Inclusion criteria were singleton pregnancy with transvaginal cervical length (TVCL) ≤ 25 mm. Exclusion criteria were prior history of preterm birth or past cerclage. In addition, cervices dilated ≥ 1 cm were specifically excluded. The primary outcome was latency.
resultsTwo hundred twenty-seven patients (cerclage 78, no-cerclage 149) were studied. The cerclage group had characteristics that suggested increased risk: shorter cervical length, higher rate of funneling, less use of vaginal progesterone, lower incidence of multiparity. Survival curves and multivariable regression showed that cerclage was not associated with any differences in clinical outcomes.
conclusionUltrasound-indicated cerclage in low-risk women should be utilized with caution. Our data are limited by its retrospective nature and persistent bias, but cerclage was not associated with different outcomes compared to expectant management.
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