Rekha Wuntakal MBBS MD (O&G) DNB DNB DFFp MRCOG FRCOG Consultant in Obstetrics and Gynaecology, Queen’s Hospital, Essex, UK Ziena Abdullah MBBS BSc MRCOG Speciality Registrar Obstetrics and Gynaecology, Newham General Hospital, London, UK Editors Tony Hollingworth BMChB PhD MBA FRCS (Ed) FRCOG Consultant in Obstetrics and Gynaecology, Whipps Cross Hospital, London, UK David Redford MB FRCS FRCOG Consultant in Obstetrics and Gynaecology, Royal Shrewsbury Hospital, Shrewsbury, UK