Dr Christoph Lees MD, MRCOG, BSc is a Consultant in Obstetrics and Maternal-Fetal Medicine at Addenbrokes' Hospital in Cambridge. His particular interest is in dealing with high-risk pregnancies. He has edited the well-known text book Ten Teachers Obstetrics and published many research papers. Grainne McCarten RGN, RM, BScHons, MA worked as a general nurse in Northern Ireland and as a midwife in hospital and community settings in London. She is a qualified reflexologiest, family planning nurse and aromatherapist.