Brachial plexus palsy (BPP) is a condition that occurs when ... The condition is often a result of excessive pulling on the infant's head during delivery, particularly in cases of shoulder dystocia.

Erb's Palsy, also known as Shoulder Dystocia or Obstetric Brachial Plexus Injury, occurs during birth as the baby travels through the birth canal, causing the nerve along their arm to stretch.