• Population-based trends in pregnancy hypertension and pre-eclampsia: an international comparative study 

      Roberts, Christine; Ford, Jane B; Algert, Charles S; Antonsen, Sussie; Chalmers, James; Cnattingius, Sven; Gokhale, Manjusha; Kotelchuck, Milton; Melve, Kari Klungsøyr; Langridge, Amanda; Morris, Carole; Morris, Jonathan M.; Nassar, Natasha; Norman, Jane E.; Norrie, John; Sørensen, Henrik Toft; Walker, Robin; Weir, Christopher J. (Peer reviewed; Journal article, 2011-05-24)
      Objective: The objective of this study was to compare international trends in pre-eclampsia rates and in overall pregnancy hypertension rates (including gestational hypertension, pre-eclampsia and eclampsia). Design: ...
    • Varying gestational age patterns in cesarean delivery: an international comparison 

      Delnord, Marie; Blondel, Béatrice; Drewniak, Nicolas; Klungsøyr, Kari; Bolumar, Francisco; Mohangoo, Ashna; Gissler, Mika; Szamotulska, Katarzyna; Lack, Nicholas; Nijhuis, Jan; Velebil, Petr; Sakkeus, Luule; Chalmers, James; Zeitlin, Jennifer; Euro-Peristat Preterm Group (Peer reviewed; Journal article, 2014-09-13)
      Background: While international variations in overall cesarean delivery rates are well documented, less information is available for clinical sub-groups. Cesarean data presented by subgroups can be used to evaluate uptake ...