We would like to thank Susan Heatley, Senior Lecture at St. Georges University of London, Lindsay Gillman, Senior Lecture at St. Georges University of London, Margaret Flynn, Deputy Head of Midwifery at St. Georges University Hospitals NHS, the members of the ‘CTG team’: Mrs Virginia Whelehan, Miss Abigail Archer, Mrs Roise Heffernan, Miss Rachel Tree, Miss Isabelle Cornet, Mr Austin Ugwumadu, as well as the multidisciplinary Maternity Team at St George’s University Hospitals NHS Foundation Trust, London.