Early embryonic loss is a continuing social and economic global problem. In human populations the estimates of interruptions early in pregnancy range from 35-60%. In animal husbandry (swine, ruminants) fully 30% of pregnancies fail to survive early events of gestation. The futility associated with this persistant high risk is even

Books about Endocrinology of Embryo-Endometrium Interactions

This is the definitive reference on the medical, surgical, legal, and ethical aspects of establishing and maintaining an office-based egg donation program. The editor has assembled an international list of authors with known expertise in this rapidly expanding field. The clinical procedures are clearly depicted in the book`s many line

pactthanourcolleague,AllenEnders. Dr. Endershasplayedaparamount roleindevelopingthebasicunderstandingofthecellbiologicalprocesses vii VIII Preface underlyingimplantationandplacentationinmanyspecies,includinghu­ mans. Hecontinuestocontributeandguidethoughtintheseareas. The participantsofthissymposiumrecognizedDr. Enders'impressivecontribu­ tionsbyholdingthiseventinhishonor. DANIELD. CARSON • Contents Preface vii Contributors xiii PartI. Development and Future ofHuman In Vitro Fertilization and Embryo Implantation I. ImplantationintheHumanasViewedbyCanonLaw, CivilLaw,andNaturalReason 3 HOWARDW. JONES, JR. , RICHARDA. MCCORMICK, AND SUSAN L. CROCKIN 2. TheImpactofMaternalAgeandOvarianAge onImplantationEfficiency.

This book is a summary of the present state of the art in the physiology of both endometrial receptivity and implantation. Although these physiological processes are today considered as limiting factors responsible for both infertility and low gestation rates in patients undergoing assisted reproductive techniques, they may, on the other