CPM Certified Professional Midwife

Answer: C - Umbilical cord prolapse

Trial labor is the conduction of spontaneous labor in a moderate degree of cephalopelvic disproportion (CPD) in the hope and expectation of a vaginal delivery. It is usually associated with subsequent pregnancies following a c - section history. Trial labor may be contraindicated or interrupted if there is cord prolapse, fetal distress, maternal distress, or conversion of vertex presentation into malpresentation.