• 1
    Knight M, Callaghan WM, Berg C, Alexander S, Bouvier-Colle MH, Ford JB, et al. Trends in postpartum hemorrhage in high resource countries: a review and recommendations from the International Postpartum Hemorrhage Collaborative Group. BMC Pregnancy Childbirth.2009;9:55.
  • 2
    Holm C, Langhoff-Roos J, Petersen KB, Norgaard A, Diness BR. Severe postpartum haemorrhage and mode of delivery: a retrospective cohort study. BJOG2012;119:596604.
  • 3
    Bonnet MP, Deneux-Tharaux C, Bouvier-Colle MH. Critical care and transfusion management in maternal deaths from postpartum haemorrhage. Eur J Obstet Gynecol Reprod Biol.2011;158:1838.
  • 4
    Larsson C, Saltvedt S, Wiklund I, Pahlen S, Andolf E. Estimation of blood loss after cesarean section and vaginal delivery has low validity with a tendency to exaggeration. Acta Obstet Gynecol Scand. 2006;85:144852.
  • 5
    Al-Zirqi I, Vangen S, Forsen L, Stray-Pedersen B. Prevalence and risk factors of severe obstetric haemorrhage. BJOG.2008;115:126572.
  • 6
    Zhang WH, Deneux-Tharaux C, Brocklehurst P, Juszczak E, Joslin M, Alexander S, et al. Effect of a collector bag for measurement of postpartum blood loss after vaginal delivery: cluster randomised trial in 13 European countries. BMJ.2010;340:c293.
  • 7
    Silverman JA, Barrett J, Callum JL. The appropriateness of red blood cell transfusions in the peripartum patient. Obstet Gynecol.2004;104:10004.
  • 8
    Gissler M, Teperi J, Hemminki E, Merilainen J. Data quality after restructuring a national medical registry. Scand J Soc Med.1995;23:7580.
  • 9
    Gissler M, Shelley J. Quality of data on subsequent events in a routine Medical Birth Register. Med Inform Internet Med.2002;27:338.
  • 10
    Gissler M, Vuori E. Perinatal statistics in the Nordic countries 2008. Helsinki , Finland : THL National Reasearch and Developement Centre for Welfere and Health; 2007.
  • 11
    Lain SJ, Roberts CL, Hadfield RM, Bell JC, Morris JM. How accurate is the reporting of obstetric haemorrhage in hospital discharge data? A validation study. Aust N Z J Obstet Gynaecol.2008;48:4814.
  • 12
    Matot I, Einav S, Goodman S, Zeldin A, Weissman C, Elchalal U. A survey of physicians’ attitudes toward blood transfusion in patients undergoing cesarean section. Am J Obstet Gynecol.2004;190:4627.
  • 13
    Butwick AJ, Aleshi P, Fontaine M, Riley ET, Goodnough LT. Retrospective analysis of transfusion outcomes in pregnant patients at a tertiary obstetric center. Int J Obstet Anesth.2009;18:3028.
  • 14
    Driessen M, Bouvier-Colle MH, Dupont C, Khoshnood B, Rudigoz RC, Deneux-Tharaux C, et al. Postpartum hemorrhage resulting from uterine atony after vaginal delivery: factors associated with severity. Obstet Gynecol.2011;117:2131.
  • 15
    Knight M, Kurinczuk JJ, Spark P, Brocklehurst P, United Kingdom Obstetric Surveillance System Steering Committee. Cesarean delivery and peripartum hysterectomy. Obstet Gynecol.2008;111:97105.
  • 16
    Joseph KS, Rouleau J, Kramer MS, Young DC, Liston RM, Baskett TF, et al. Investigation of an increase in postpartum haemorrhage in Canada. BJOG.2007;114:7519.
  • 17
    Al-Zirqi I, Vangen S, Forsén L, Stray-Pedersen B. Effects of onset of labor and mode of delivery on severe postpartum hemorrhage. Am J Obstet Gynecol.2009;201:273.e1–9.
  • 18
    Zeitlin J, Mohangoo A, Cuttini M, EUROPERISTAT Report Writing Committee, Alexander S, Barros H, et al. The European Perinatal Health Report: Comparing the health and care of pregnant women and newborn babies in Europe. J Epidemiol Community Health.2009;63:6812.
  • 19
    Landon MB, Hauth JC, Leveno KJ, Spong CY, Leindecker S, Varner MW, et al. Maternal and perinatal outcomes associated with a trial of labor after prior cesarean delivery. N Engl J Med.2004;351:25819.