Fractured clavicle and Erb's palsy unrelated to birth trauma.

Objectives: Our purpose was to determine the perinatal factors associated with clavicular fracture or Erb's palsy in neonates and to document the percentage of cases where no risk factors were involved.

Study Design: We reviewed the medical records of all live-born singleton infants admitted to the newborn nurseries between 1992 and 1995. Mothers and infants with clavicular fracture or Erb's palsy were compared with those without these birth injuries.