This Review has been produced by the Scientific Advisory Committee of the Royal College of Obstetricians and Gynaecologists and was first published in December 2010 at http://www.rcog.org.uk/womens-health/clinical-guidance/multiple-pregnancy-following-assisted-reproduction-sac-opinion-paper published January 2011. The article is reproduced in Human Fertility with permission following an agreement between the RCOG and the BFS to collaborate in the production and dissemination of policy documents in Reproductive Medicine. Scientific Advisory Committee Opinion Paper No.22 October 2010.
© 2010 Royal College of Obstetricians and Gynaecologists.