- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02265081
A Prospective Study on USS Assessment of Pelvic Structures in 3rd Trimester of Pregnancy Versus Delivery Outcome (PLUSSMODEL)
A Prospective Study on USS Assessment of Pelvic Structures in 3rd Trimester of Pregnancy Versus Delivery Outcome.
The proposed study is to evaluate if there are specific factors in the pelvic floor functional anatomy which can predict the ability of having a vaginal birth after caesarean section.
Physical characteristics of the soft tissue in the female pelvis play an important role in successful vaginal delivery. A "tight" or less distensible pelvic floor muscles may influence mode of delivery, leading to poor labour progression and by compressing foetal head produce CTG abnormality such as decelerations, both resulting in caesarean delivery.
One of the main structures of the pelvic floor, the puborectoalis muscle, facilitates the passage of fetal head through the birth canal by stretching and distending. Therefore distensibility of the female pelvic floor influences mode of delivery.
Three hundred patients, in the third trimester of pregnancy, will be recruited via the antenatal clinics to minimize any disruption in their pregnancy care provision. Eligible participants are pregnant women who had either one or no vaginal births, or one caesarean section and who can give an informed consent and maintain their autonomy regarding mode of delivery with understanding of the forthcoming study results. Participants will be excluded if they sustain any obstetric complications that may impede on time and mode of delivery including an emergency prelabour caesarean section.
Ultrasonographic assessment of the differences in the pelvic characteristics of these women will be used to predict a successful of trial of vaginal delivery after caesarean section (VBAC) in subsequent pregnancies. The results will be used to better inform whether there is a simple (single ultrasound assessment) that can be used to help inform women's choice regarding mode of delivery.
Results from this research could be a pioneering blueprint for further studies, as there is very little known about this topic.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Birmingham, United Kingdom, B29 6SN
- Birmingham Women's Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- English speaking women
- over 16 years old women
- women willing to provide written informed consent
- women who had either prior vaginal delivery or caesarean section or no prior birth experience
Exclusion Criteria:
- Women who cannot give an informed consent,
- under the age of consent,
- any participants whose pregnancies complicated during the antenatal period that may influence decision on time and mode of delivery that is anyone who has to undergo an emergency prelabour LSCS,
- nonEnglish speaking women
- less than 16 years old women
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: nulliparous women
internal ultrasound in the 3rd trimester uroflow meter in 3rd trimester
|
pelvic floor ultrasound
uroflow meter: measurement of passed urine volume
|
Experimental: parous women
those who had vaginal delivery in the past; internal ultrasound in the 3rd trimester uroflow meter in 3rd trimester
|
pelvic floor ultrasound
uroflow meter: measurement of passed urine volume
|
Experimental: parous women - VBAC
those with previous LSCS and no vaginal births; internal ultrasound in the 3rd trimester uroflow meter in 3rd trimester
|
pelvic floor ultrasound
uroflow meter: measurement of passed urine volume
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
vaginal delivery
Time Frame: 12 months
|
12 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
voiding problems
Time Frame: 12 months
|
12 months
|
Collaborators and Investigators
Investigators
- Study Chair: Kelly Hard, R&D Dept, Birmingham Women's Hospital, UK
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- U1111-1162-7720
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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