You are about to provide anesthesia to a 25-year-old parturient at 37 weeks’ gestation who is undergoing external cephalic version (ECV) for breech presentation. You recommend combined spinal-epidural anesthesia for the procedure. According to a recent trial comparing the effectiveness of increasing doses of intrathecal bupivacaine (2.5–10 mg) for ECV, which of the following is most likely true?

When a parturient undergoes a primary cesarean delivery, the likelihood is approximately 90 percent that a subsequent pregnancy will result in another cesarean delivery. Breech fetal presentation, with a prevalence of 3.8 percent for singleton pregnancies at term, increases the likelihood of cesarean delivery. However, this may be prevented through ECV. ECV is achieved by manual rotation of a fetus from breech to vertex presentation prior to the onset of labor. Previous studies have reported that neuraxial analgesia increases the success...

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