Preface; Acknowledgements; Contributor bioprofiles; Part I. Human Embryos: 1. What are human embryos and how do we know? Jane Maienschein and Jason Scott Robert; 2. Human embryos: donors' and non-donors' perspectives on embryo moral status Jackie Leach Scully, Christoph Rehmann-Sutter and Rouven Porz; 3. Property, privacy, and other legal constructions of human embryos Radhika Rao; 4. Informed consent for the age of pluripotency and embryo triage: from alienation, anonymity, and altruism to connection, contact, and care Charis Thompson; Part II. Almost Human Embryos: 5. Interspecies somatic cell nuclear transfer José Cibelli and Kai Wang; 6. Parthenogenesis and other strategies to create human embryos for stem cell research and regenerative medicine Paul De Sousa; 7. Creating humanesque embryos Françoise Baylis; Part III. 'Healthy' Human Embryos: 8. A visual dialogue on 'healthy' human embryos from the 16th to 21st centuries Lianne McTavish; 9. Social determinants of 'health' of embryos Roxanne Mykitiuk and Jeff Nisker; 10. Preconceived human embryos and taking care of their 'health' Isabel Karpin; 11. Public understandings of a 'healthy' embryo: a citizen deliberation on preimplantation genetic diagnosis Susan M. Cox and Jeff Nisker; Part IV. 'Healthy' Human Embryos and Research: 12. Donating fresh versus frozen embryos to stem cell research: in whose interests? Carolyn McLeod and Françoise Baylis; 13. Informed choice in embryo donation for research purposes Angela White and Robyn Bluhm; Part V. 'Healthy' Human Embryos and Reproduction: 14. Making embryos healthy or making healthy embryos: how much of a difference between prenatal treatment and selection? David Wasserman and Adrienne Asch; 15. The ethics of preventing disease by preventing people Daniel M. Weinstock; 16. 'Healthy' human embryos and symbolic harm Elisabeth Gedge; 17. Saviour siblings, disease avoidance and embryo health Sally Sheldon and Stephen Wilkinson; Index.