Preoperative and Intraoperative Sonographic Assessment of Lower Uterine Segment Thickness at Term in Women With Previous Cesarean Delivery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-02-28

Study Completion Date

2016-12-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This prospective, clinical, observational study compares preoperative and intraoperative sonographic assessment of lower uterine segment of women who underwent ≥ second cesarean section.

It is the purpose of the study to assess transabdominal (linear/convex ultrasound probe) and transvaginal approach versus intraoperative sonographic assessment of lower uterine segment.

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

Transabdominal Versus Transvaginal Ultrasound to Assess the Thickness of the Lower Uterine Segment.

NCT04687891

Trans Abdominal Ultrasound Transvaginal Ultrasound Lower Uterine Segment Thickness

COMPLETED

Cesarean Niche Examination by Transvaginal us

NCT04076904

Cesarean Section; Dehiscence

COMPLETED

Transvaginal Ultrasound Assessment of Caesarean Section Uterine Scar Closed by Single Versus Double Layer

NCT07074522

Transvaginal Ultrasound Caesarean Section Uterine Scar +2 more

COMPLETED NA

Diagnostic Accuracy of Saline Sonohystrography vs. 3D Transvaginal Ultrasound for Cesarean Scar Defect Assessment

NCT05996926

Cesarean Scar Defects Cesarean Section Complications Uterine Scar Dehiscence +2 more

UNKNOWN NA

Relation Between Position of the Uterus (Anteversion or Retroversion Flexion) and Degree of Cesarean Scar Niche

NCT06475924

Anteversion of Uterus Retroflex Uterus CSD

COMPLETED NA

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

In 1991, 126.297 (15.3%) women delivered by caesarean section in Germany. Since then, the rate of caesarean section increased steadily over the next 20 years, reaching up to 32.2% in 2011 \[https://www.destatis.de\]. The absolute risk of uterine rupture in vaginal birth after Caesarean section is 1 in 100 deliveries. The risk of perinatal death or the outcome of extremely neurological impairment is 1 in 1000 deliveries \[Cunningham et al., 2009\].

Statistically more than 300 pregnant women with a prior caesarean delivery visit daily ultrasound departments of german hospitals to investigate the C-section scar before delivery. They have one important question: Is it possible to predict successful trial of labor after cesarean delivery? \[AQUA-Institut\] The information for the risk of uterine rupture remains insufficient based only on ultrasonography assessment \[Varner et al., 2012\].

The measurement technique for lower uterine segment (myometrial) thicknesses in the third trimester have been described by several authors. Using a combination of preoperative transvaginal and transabdominal (linear/convex probe) ultrasound, we compare with intraoperative sonographic assessment of lower uterine segment of women who underwent ≥ second cesarean section.

The aim of the present study is to assess transabdominal (linear/convex ultrasound probe) and transvaginal approach versus intraoperative sonographic assessment of lower uterine segment.

This will allow the investigators to draw conclusions regarding the best method to assessment of lower uterine segment (myometrial) thickness in the third trimester to predict successful trial of labor after cesarean delivery.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Scar; Previous Cesarean Section

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* pregnancy after previous cesarean section
* pregnancy between 37 0/7 and 42 0/7 weeks of gestation
* primary or secondary indication for cesarean section
* ability to give informed consent in german or english