Affiliation: | Department of Obstetrics and Gynaecology, John Radcliffe Hospital, Oxford;Edgbaston Nuffield Hospital, Birmingham;Department of Obstetrics and Gynaecology, Royal Maternity Hospital, Glasgow;Department of Obstetrics and Gynaecology, Southlands Hospital, Shoreham-by-Sea;Department of Pathology, University of Birmingham;Department of Obstetrics and Gynaecology, Wrexham Maelor Hospital, Wrexham |