• 1
    Multiple gestation pregnancy. The ESHRE Capri Workshop Group. Hum Reprod 2000;15:185664.
  • 2
    Ombelet W, De Sutter P, Van der Elst J, Martens G. Multiple gestation and infertility treatments: registration, reflection and reaction – the Belgian project Hum Reprod Update 2005;11:314.
  • 3
    Government Statistical Office. NHS Maternity statistics, England, 2003–2004. ISBN 1841829552.
  • 4
    Lewis G. Saving Mothers’ Lives 2003–2005. Report. A report of the UK confidential enquiries into maternal deaths. Chap. 1. London, UK: HMSO.
  • 5
    Ledger WL, Anumba D, Marlow N, Thomas CM, Wilson EC, Cost of Multiple Births Study Group (COMBS Group). The costs to the NHS of multiple births after IVF treatment in the UK. BJOG 2006;113:215.
  • 6
    Keith LG, Oleszczuk JJ, Keith DM. Multiple gestation: reflections on epidemiology, causes, and consequences. Int J Fertil Womens Med 2000;45:20614.