1 Department of Pathology, University of Cambridge, Cambridge CB2 1QP
2 Recurrent Miscarriage Clinic, Academic Department of Obstetrics and Gynaecology, St Mary's Hospital, Imperial College School of Medicine, London W2 1NY
3 Assisted Conception Unit, Academic Department of Women's Health Guy's, King's and St Thomas' School of Medicine, London SE1 7EH
Correspondence: A Moffett [email protected]
Accepted 20 September 2004
Contributors and sources: AM is a leading international authority on the role of uterine natural killer cells in reproduction, PB is on the Human Fertilisation and Embryology Authority and is a leading fertility expert, and LR is an expert on recurrent miscarriage and runs the largest miscarriage clinic in Europe. AM provided the scientific basis and wrote the paper. LR and PB provided clinical and ethical advice. AM is the guarantor.
Competing interests: None declared.