I. Development and Future of Human In Vitro Fertilization and Embryo Implantation -- 1. Implantation in the Human as Viewed by Canon Law, Civil Law, and Natural Reason -- 2. The Impact of Maternal Age and Ovarian Age on Implantation Efficiency -- II. Cellular Aspects of Implantation -- 3. Vascular Invasion During Implantation and Placentation -- 4. Oxygen Regulates Human Cytotrophoblast Proliferation, Differentiation, and Invasion: Implications for Endovascular Invasion in Normal Pregnancy and Preeclampsia -- 5. Embryoโ{128}{148}Maternal Interactions after Diapause in a Marsupial -- 6. Cellular Interactions and the Cysteine Proteinases in the Process of Mouse Implantation -- III. Hormonal Regulation -- 7. Novel Steroid-Regulated Markers of Implantation -- 8. Molecular Signaling in Implantation -- 9. Identification of Progesterone-Regulated Genes in the Uterus -- IV. Molecular Markers of Receptivity -- 10. Mucins Provide a Barrier to Embryo Implantation -- 11. Potential Involvement of Trophinin, Bystin, and Tastin in Embryo Implantation -- 12. Osteopontin in Human Endometrium: A Role in Endometrial Receptivity and Embryo Implantation? -- V. Trophoblast Factors -- 13. The Rabbit as a Model for Implantation: In Vivo and In Vitro Studies -- 14. Regulation of Trophoblast Endocrine Function: The Placenta Does Its Own Thing Transcriptionally -- 15. Transcription Factors Regulating the Differentiation of the Trophoblast Cell Lineage -- VI. Primate Models and Human Studies -- 16. Hormonal Regulation of Endometrial Gene Expression in the Rhesus Monkey -- 17. Embryoโ{128}{148}Maternal Dialogue in the Baboon (Papio Anubis) -- 18. Integrins and Uterine Receptivity -- 19. Keratinocyte Growth Factor in the Nonhuman Primate Endometrium: Regulation and Action -- 20. Molecular Lesions in Infertility -- VII. Transcriptional Regulation of Fetalโ{128}{148}Maternal Recognition -- 21. The Role of Abdominal B (AbdB) Hoxa Genes During Implantation -- 22. Possible Role of the Transcription Factor Oct-3/4 in Control of Human Chorionic Gonadotropin Expression -- 23. Molecular Mechanisms Regulating Uterine Decidualization and Implantation: Cellโ{128}{148}Cell and Cellโ{128}{148}Extracellular Matrix Interactions -- 24. Regulation of Hormone Receptor Gene Expression in Endometrium -- Author Index