Erb's palsy is the most common obstetric brachial plexus injury follow
ed by total plexus palsy. The distribution of Klumpke's birth palsy wi
th modern obstetric practice is unknown. In this paper, we studied the
distribution of Klumpke's birth palsy in our series of 235 consecutiv
e cases of obstetrical brachial plexus injury and determined the incid
ence of this type of palsy to be 0.6% as cited in the English literatu
re over the last decade.