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Related Experiment Video

Updated: Aug 2, 2025

Laparoscopic Non-Mesh Cerclage Pectopexy for Pelvic Organ Prolapse
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Cervical cerclage technique: what do experts actually achieve?

Laura I Stirrat1, Florence Tydeman2, Natalie Suff3

  • 1Simpson Centre for Reproductive Health, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom (Dr Stirrat).

American Journal of Obstetrics & Gynecology MFM
|April 20, 2023
PubMed
Summary

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Risk of preterm birth and second-trimester loss following intrapartum cesarean sections and uterine extensions: a population-based cohort study.

Reproductive health·2026
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LIFT: Lifting the Impacted fetal head; the Fetal Pillow<sup>®</sup> and Tydeman<sup>®</sup> Tube trial: protocol for a prospective observational study to evaluate two disimpaction devices.

BMC pregnancy and childbirth·2026
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Normative volumetric growth modeling of the whole fetal body, placenta, and amniotic fluid for three-dimensional T2-weighted magnetic resonance imaging.

Pediatric radiology·2026
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Prognostic value of cervical length for spontaneous preterm birth in asymptomatic women with singleton pregnancy: An individual participant data meta-analysis.

PLoS medicine·2026
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The contribution of the antenatal period in the development of necrotising enterocolitis.

Early human development·2026
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Impacted fetal head: a retrospective cohort study of full dilatation caesarean section.

European journal of obstetrics, gynecology, and reproductive biology·2026

Experienced obstetricians show significant variation in cervical cerclage technique, potentially impacting preterm birth prevention. Further research is needed to establish optimal methods for this crucial procedure.

Area of Science:

  • Obstetrics and Gynecology
  • Surgical Simulation
  • Medical Imaging

Background:

  • Cervical cerclage is vital for managing preterm birth risk and midtrimester loss.
  • The precise mechanism of action for cerclage remains unclear.
  • Surgical techniques for cerclage have not been extensively researched.

Purpose of the Study:

  • To evaluate the surgical technique of cervical cerclage among experienced obstetricians.
  • To assess variations in cerclage technique using a validated surgical simulator.
  • To identify potential factors influencing cerclage procedure efficacy.

Main Methods:

  • Prospective experimental simulation and observational study.
  • 28 consultant obstetricians performed cerclage on identical simulators.
Keywords:
cervical cerclagecervical stitchhigh-risk pregnancyobstetricspreterm birthsimulation

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  • Computed tomography (CT) assessed suture depth, cervical tension, and bite accuracy.

    • Main Results:

    • 52 cervical cerclages were performed using Mersilene tape or monofilament suture.
    • Significant variation observed in suture height, influenced by suture type and needle size.
    • Seven procedures had suture bites entering the cervical canal, indicating potential technique variability.

    Conclusions:

    • Experienced obstetricians exhibit considerable variability in cervical cerclage techniques.
    • This variability in surgical technique may influence the overall effectiveness of cerclage.
    • Further studies are required to define optimal cerclage techniques for standardized training and clinical practice.