Objective: To analyze changing trends of caesarean section (CS) birth rates in Murmansk County, Russia over a 5- year period (2006-2010) using the Robson 10-group classification system. Design: A registry- based study. Setting: The Murmansk County Birth Registry (MCBR). Study population: All deliveries registered (N=44 267) in the MCBR between 1st of January 2006 and 31st of December 2010. ...