Mark D Kilby, MD, DSc, FRCOG, FRCPI, FHKCOG Emeritus Professor in Fetal Medicine, University of Birmingham, and Consultant in Fetal Medicine at the Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, UK David M Luesley, MD, FRCOG Emeritus Professor of Gynaecological Oncology, University of Birmingham, UK Section Editors: James Castleman MD, MRCOG Consultant in Maternal & Fetal Medicine at the Fetal Medicine Centre, Birmingham Women's and Children's NHS FoundationTrust, UK Arri Coomarasamy OBE, MBChB, MD, FRCOG, FMedSciProfessor of Gynaecology and Reproductive Medicine, University of Birmingham, UK Jessica Davison MD, MRCOG Consultant in Obstetrics, Birmingham Women's and Children's NHS Foundation Trust, UK James Owen Drife MD, FRCOG, FRCPEd, FRCSEd, FCOGSA, FFSRH Emeritus Professor of Obstetrics and Gynaecology, University of Leeds, UK Leo Gurney MD, MRCOG Consultant in Maternal & Fetal Medicine at the Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, UK Pierre Martin-Hirsch MD, FRCOG Consultant Gynaecological Oncologist and Research Director, Lancashire Teaching Hospitals NHS Foundation Trust, UK Ash Monga FRCOG Consultant Gynaecologist and Subspecialist Urogynaecologist, University Hospital Southampton NHS Foundation Trust, UK Jason Yap MRCOG, PhD Associate Clinical Professor of Gynaecological Oncology, University of Birmingham, and Consultant Gynaecological Cancer Surgeon, Pan-Birmingham Gynaecological Cancer Centre, UK