Eric Blyth is Professor of Social Work at the University of Huddersfield, UK, having worked for 12 years in social work practice and management. He has published widely on assisted conception, edited the Journal of Fertility Counselling and provided consultation for radio and television. His interest in the subject originated from direct experience of childlessness, infertility treatment and adoption. Ruth Landau worked for over twenty years in social work practice and management, including eight years as General Director of the Israeli Family Planning Association. She has organized national conferences and lectured in national and international forums on assisted conception.