During the second stage of labor, a fetal head at station +3 is in occiput posterior position. Attempted rotational vacuum extraction fails after three pop-offs. What is the MOST appropriate next step according to current ACOG guidelines?

• A Sequential use of obstetric forceps for rotation after vacuum failure
• B Oxytocin augmentation for 1 more hour before proceeding to cesarean
• C Manual digital rotation followed by reassessment of descent
• D Immediate cesarean delivery without further attempt at vaginal delivery ✓

Explanation

ACOG Practice Bulletin on operative vaginal delivery states that sequential use of instruments (vacuum after forceps failure, or forceps after vacuum failure) significantly increases the risk of neonatal injury including intracranial hemorrhage and should be avoided except in extraordinary circumstances with documentation. Three pop-offs from the vacuum cup is a recognized failure criterion; after failed operative vaginal delivery, cesarean section is the recommended course of action. Manual rotation may be attempted before instrumentation but not after vacuum failure in a context of sequential instrument use.

Reference: Williams Obstetrics, 26th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

Written and medically reviewed by the StethoPrep medical team.