title: [Secular trends in cesarean delivery and cesarean delivery on maternal request among multiparous women who delivered a full-term singleton in Southern China during 1993-2005].
abstract: OBJECTIVE
  To explore the secular trends of cesarean delivery and cesarean delivery on maternal request(CDMR) among multiparous women who delivered a full-term singleton in Southern China during 1993-2005.
  
  
  METHODS
  The Perinatal Healthcare Surveillance System was established in 21 cities/ counties of 2 Chinese Southern provinces since 1993. A total of 191 058 multiparous women were monitored during 1993-2005. Chi-square tests were performed to assess the linear trends in the prevalence of cesarean delivery and CDMR.
  
  
  RESULTS
  During the 13-years period, 56 968 cesarean deliveries and 10 134 CDMRs were identified. The prevalence rates of cesarean delivery during 1993-1995, 1996-2000 and 2001-2005 were 13.1%, 28.3% and 50.4%( χ(2)trend=17 829.0,P<0.001 ); the prevalence rates of CDMR were 0.6%, 3.8%, and 12.9%(χ(2)trend=7 729.0,P<0.001). The cesarean delivery rate during 2001-2005 were 97.5% for women with previous cesarean section and 40.3% for women without previous cesarean section; the CDMR rate of women without previous cesarean section was 14.4%, accounting for 35.9% of the primary cesarean deliveries.
  
  
  CONCLUSIONS
  The prevalence rates of cesarean delivery and CDMR among multiparous women in Southern China increased dramatically during 1993-2005; CDMR was a non-negligible component of the primary cesarean deliveries for multiparous women.
authors.affiliation: Department of Epidemiology and Biostatistics, Peking University School of Public Health, Beijing, China.
authors.forename: Hao-sheng
authors.initials: HS
authors.lastname: Cui
authors.forename: Hong-tian
authors.initials: HT
authors.lastname: Li
authors.forename: Li-ping
authors.initials: LP
authors.lastname: Zhu
authors.forename: Zhi-wen
authors.initials: ZW
authors.lastname: Li
authors.forename: Yu-bo
authors.initials: YB
authors.lastname: Zhou
authors.forename: Jian-meng
authors.initials: JM
authors.lastname: Liu
mesh_terms: D002585:Cesarean Section / Q000639:trends*; D002681:China; D005260:Female; D006801:Humans; D010298:Parity; D011247:Pregnancy; D015995:Prevalence