Sir.—In their letter "Neonatal Fracture and Cesarean Section" (Journal 1982;136:865), Clarke and Young state that they are unaware of studies in the medical literature on the incidence of fracture of the femur during cesarean section, and they expressed an interest in the experience of others.
Fracture of an infant's femur during delivery via cesarean section is not new. In 1922, Ehrenfest1 described his experience as follows:
Only recently I personally experienced how easily a femur might be fractured... the median incision in the anterior uterine wall was made too short on account of a fibroid unexpectedly encountered in the lower portion of the wall. The right leg of the large child was readily lifted out and during the somewhat difficult extraction of the breech, a distant snap or crack was felt, the left femur, still within the uterus, had been fractured approximately in its middle. I have no