because of a discrepancy in size between the fetal shoulders and maternal pelvic inlet.2 The incidence in a general obstetric population is variously reported between 0.2 and 3.3%
because of a discrepancy in sizebetween the fetal shoulders and maternal pelvic inlet.2 Theincidence in a general obstetric population is variouslyreported between 0.2 and 3.3%