Ambulation With Labor Epidural in Obese Women

  • days left to enroll
  • participants needed
  • sponsor
    University of Chicago
Updated on 22 March 2022
Accepts healthy volunteers


The purpose of this study is to determine if ambulation with a labor epidural in place is associated with decreased rate of cesarean delivery in obese patients.


Obese women are known to have increased risk of cesarean delivery and prolonged labors. Low concentration epidural analgesia can achieve pain relief and allow for ambulation. Prior investigations have not shown a benefit in cesarean delivery between those who ambulate with an epidural and those who do not. These studies were conducted in women with normal weights. It is unknown if ambulation with a labor epidural is beneficial in decreasing cesarean delivery among obese women.

Obese women at term with a singleton pregnancy will be enrolled in this pilot study. Patients will receive their epidural analgesia when they desire per standard protocol at our institution. Following epidural placement, a Modified Bromage Score and straight leg test will be performed. If the patient passes the straight leg test and has a modified Bromage score > 6, they will be allowed to ambulate. They will be encouraged to ambulate for 20 minutes per hour with another adult alongside them. Obstetric care will be standard of care.

On postpartum day one, the patient will be administered a Labor Agentry Scale. Chart review will then be conducted to review maternal and neonatal outcomes.

Condition Obesity, Labor Onset and Length Abnormalities
Treatment ambulation
Clinical Study IdentifierNCT04504682
SponsorUniversity of Chicago
Last Modified on22 March 2022


Yes No Not Sure

Inclusion Criteria

Subjects capable of giving consent Singleton pregnancy Nulliparous (defined as no previous
pregnancy beyond 20 weeks 0 days) Gestational age greater than or equal to 37 weeks BMI > =
at time of delivery admission Adult companion available Anticipated vaginal delivery

Exclusion Criteria

Physical disability precluding ambulation Magnesium Administration Contraindications to
neuraxial analgesia Cerclage in current pregnancy Active labor DPE Category III fetal heart
tracing Fetal Demise In Utero
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