We are most grateful to all our advisors:
Mr Roy Farquharson Chairman Elect of the European Society for Human Reproduction & Embryology, and former Consultant in Obstetrics & Gynaecology, Liverpool Women’s Hospital
Ms Diana Hamilton-Fairley Consultant in Obstetrics & Gynaecology, Guys and St Thomas’s Hospital, London
Dr Marjory MacLean Consultant Obstetrician, Ayrshire Maternity Unit, Crosshouse, Kilmarnock
Prof Lesley Regan Professor of Obstetrics & Gynaecology, Imperial College & St Mary’s Hospital, London, and President of the Royal College of Obstetricians & Gynaecologists
Prof James Walker Professor of Obstetrics & Gynaecology, Leeds University & St James’s Hospital, Leeds
We are very grateful also to members of the executive committee of the Association of Early Pregnancy Units for their guidance and advice.