The authors have found 244 clavicle fractures during 4131 vaginal delivery (5.91%). Both clavicles of three newborns have fractured. The incidence of fracture had relation to weight of newborns, to weakness of pains and to vacuum extraction. The Apgar score of the newborns with fractured clavicle was not less, than one of newborns with unbroken clavicle. None of 704 newborns from cesarean section, and none of 52 newborns, who was born out of the hospital had fracture of the clavicle. The cause of fracture is the violent hurry of delivery, the drawing of the head before birth of shoulders. One of 244 injured newborns had permanent brachial plexus palsy. Late complication was not found. Between the injured newborns was more frequent the jaundice requiring phototherapy.