A Trial of Bed Versus Stirrups Delivery in Nulliparous Women for Prevention of Perineal Lacerations

November 15, 2018 updated by: Marlene Corton, University of Texas Southwestern Medical Center

A Randomized Trial of Bed Versus Stirrups Delivery in Nulliparous Women for Prevention of Perineal Lacerations

The investigators hypothesize that the rate of perineal lacerations in nulliparous women will be reduced by a simple change in common obstetrical delivery practice, i.e., bed delivery versus conventional delivery in obstetrical stirrups.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This is a randomized controlled trial of bed delivery in the supine position versus conventional delivery in obstetrical stirrups. It will include nulliparous women presenting in active labor to the L&D East (low risk) Unit at Parkland Hospital, > 370/7 weeks gestation, with singleton fetuses in cephalic presentation. The primary outcome variable is any perineal laceration. Secondary outcomes measures include (1) 3rd or 4th degree lacerations and (2) any lacerations in subgroup comparisons between study arms.

Study Type

Interventional

Enrollment (Actual)

214

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Texas
      • Dallas, Texas, United States, 75235
        • Parkland Memorial Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Nulliparous women presenting in active labor to Parkland L&D East Unit
  • ≥ 370/7 weeks gestation
  • Singleton fetus in cephalic presentation
  • ≥ 4 cm but ≤ 8 cm of cervical dilation
  • No medical or obstetrical complication

Exclusion Criteria:

  • Women with any obstetric or medical complication of pregnancy, such as pregnancy related hypertension, diabetes, labor induction
  • Prior history of perineal trauma requiring surgical repair or known congenital perineal malformation
  • Non-English or non-Spanish speaking

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Stirrups delivery
Mom will be assigned to deliver with legs positioned in stirrups
Other: Stirrups delivery vs bed delivery
Position of legs at time of vaginal delivery (bed vs stirrups)
Experimental: Bed delivery
Mom will be assigned to deliver with the legs positioned in bed in the supine position
Other: Stirrups delivery vs bed delivery
Position of legs at time of vaginal delivery (bed vs stirrups)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Any perineal laceration (first through fourth degree)
Time Frame: Immediately post delivery
Immediately post delivery

Secondary Outcome Measures

Outcome Measure
Time Frame
Third and fourth-degree perineal lacerations
Time Frame: Immediately post delivery
Immediately post delivery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Texas Southwestern Medical Center

Investigators

  • Principal Investigator: Marlene M Corton, MD, UT Southwestern Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2009

Primary Completion (Actual)

January 1, 2010

Study Completion (Actual)

January 1, 2010

Study Registration Dates

First Submitted

May 8, 2009

First Submitted That Met QC Criteria

May 8, 2009

First Posted (Estimate)

May 11, 2009

Study Record Updates

Last Update Posted (Actual)

November 19, 2018

Last Update Submitted That Met QC Criteria

November 15, 2018

Last Verified

November 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 072008-053

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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