TY - JOUR AU - Khan, K. S. AU - Wojdyla, D. AU - Say, L. AU - Gülmezoglu, A. M. AU - Look, P. F. PY - 2006 DA - 2006// TI - WHO analysis of causes of maternal death: a systematic review JO - Lancet VL - 367 UR - https://doi.org/10.1016/S0140-6736(06)68397-9 DO - 10.1016/S0140-6736(06)68397-9 ID - Khan2006 ER - TY - JOUR PY - 2015 DA - 2015// TI - Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 JO - Lancet VL - 385 UR - https://doi.org/10.1016/S0140-6736(14)61682-2 DO - 10.1016/S0140-6736(14)61682-2 ID - ref2 ER - TY - JOUR AU - Murphy, D. J. AU - Liebling, R. E. AU - Verity, L. AU - Swingler, R. AU - Patel, R. PY - 2001 DA - 2001// TI - Early maternal and neonatal morbidity associated with operative delivery in second stage of labour: a cohort study JO - Lancet VL - 358 UR - https://doi.org/10.1016/S0140-6736(01)06341-3 DO - 10.1016/S0140-6736(01)06341-3 ID - Murphy2001 ER - TY - JOUR AU - Draycott, T. J. AU - Renzo, G. C. PY - 2017 DA - 2017// TI - The role of operative vaginal birth in the 21st century and a way forward JO - BJOG VL - 124 UR - https://doi.org/10.1111/1471-0528.14791 DO - 10.1111/1471-0528.14791 ID - Draycott2017 ER - TY - STD TI - Attilakos G, Draycott T, Gale A, Siassakos D, Winter C. ROBuST: RCOG operative birth simulation training. London: Cambridge University Press; 2013. ID - ref5 ER - TY - JOUR AU - Gale, A. AU - Siassakos, D. AU - Attilakos, G. AU - Winter, C. AU - Draycott, T. PY - 2014 DA - 2014// TI - Operative vaginal birth: better training for better outcomes JO - BJOG VL - 121 UR - https://doi.org/10.1111/1471-0528.12560 DO - 10.1111/1471-0528.12560 ID - Gale2014 ER - TY - JOUR AU - Solt, I. AU - Jackson, S. AU - Moore, T. AU - Rotmensch, S. AU - Kim, M. J. PY - 2011 DA - 2011// TI - Teaching forceps: the impact of proactive faculty JO - Am J Obstet Gynecol Elsevier Inc VL - 204 UR - https://doi.org/10.1016/j.ajog.2010.12.056 DO - 10.1016/j.ajog.2010.12.056 ID - Solt2011 ER - TY - JOUR AU - Hardy, C. AU - Roberts, R. PY - 2014 DA - 2014// TI - The role of rotational forceps JO - BJOG VL - 121 UR - https://doi.org/10.1111/1471-0528.12603 DO - 10.1111/1471-0528.12603 ID - Hardy2014 ER - TY - JOUR AU - Skinner, S. AU - Davies-Tuck, M. AU - Wallace, E. AU - Hodges, R. PY - 2017 DA - 2017// TI - Perinatal and maternal outcomes after training residents in forceps before vacuum instrumental birth JO - Obstet Gynecol VL - 130 UR - https://doi.org/10.1097/AOG.0000000000002097 DO - 10.1097/AOG.0000000000002097 ID - Skinner2017 ER - TY - JOUR AU - Murphy, D. J. AU - Macleod, M. AU - Bahl, R. AU - Strachan, B. PY - 2011 DA - 2011// TI - A cohort study of maternal and neonatal morbidity in relation to use of sequential instruments at operative vaginal delivery JO - EJOG Elsevier Ireland Ltd VL - 156 ID - Murphy2011 ER - TY - CHAP AU - O’Mahony, F. AU - Hofmeyer, G. J. AU - Menon, V. ED - O’Mahony, F. PY - 2010 DA - 2010// BT - Choice of instruments for assisted vaginal delivery PB - Sons, Ltd CY - Chichester ID - O’Mahony2010 ER - TY - JOUR AU - Hemming, K. AU - Girling, A. PY - 2014 DA - 2014// TI - A menu-driven facility for power and detectable-difference calculations in stepped-wedge cluster-randomized trials JO - Stata J VL - 14 UR - https://doi.org/10.1177/1536867X1401400208 DO - 10.1177/1536867X1401400208 ID - Hemming2014 ER - TY - STD TI - Medical Research Council Guidance. Personal information in medical research. 2nd ed. London: Medical Research Council; 2000. p. 1–48. ID - ref13 ER - TY - JOUR AU - Hussey, M. A. AU - Hughes, J. P. PY - 2007 DA - 2007// TI - Design and analysis of stepped wedge cluster randomized trials JO - Contemp Clin Trials VL - 28 UR - https://doi.org/10.1016/j.cct.2006.05.007 DO - 10.1016/j.cct.2006.05.007 ID - Hussey2007 ER - TY - STD TI - Schulz KF, Altman DG, Moher D, for the CONSORT group. CONSORT 2010 statement: updated guidelines for reporting parallel group randomised trials. BMJ. 2010;340(mar23 1):c332–2. ID - ref15 ER - TY - JOUR AU - Zou, G. PY - 2004 DA - 2004// TI - A modified poisson regression approach to prospective studies with binary data JO - Am J Epidemiol VL - 159 UR - https://doi.org/10.1093/aje/kwh090 DO - 10.1093/aje/kwh090 ID - Zou2004 ER - TY - JOUR AU - Hemming, K. AU - Taljaard, M. AU - Forbes, A. PY - 2017 DA - 2017// TI - Analysis of cluster randomised stepped wedge trials with repeated cross-sectional samples JO - Trials 3rd ed VL - 18 UR - https://doi.org/10.1186/s13063-017-1833-7 DO - 10.1186/s13063-017-1833-7 ID - Hemming2017 ER - TY - JOUR AU - Barker, D. AU - D’Este, C. AU - Campbell, M. J. AU - McElduff, P. PY - 2017 DA - 2017// TI - Minimum number of clusters and comparison of analysis methods for cross sectional stepped wedge cluster randomised trials with binary outcomes: a simulation study JO - Trials VL - 18 UR - https://doi.org/10.1186/s13063-017-1862-2 DO - 10.1186/s13063-017-1862-2 ID - Barker2017 ER -