Maternal Recognition of Pregnancy -- Contents -- Introduction -- Comparative aspects of blastocyst-endometrial interactions at implantation -- Discussion -- Changes in the surface of the mouse blastocyst at implantation -- Discussion -- The hormonal control of implantation -- Discussion -- Hormonal control of implantation in the rat: inhibition by luteinizing hormone-releasing hormone and its analogues -- Discussion -- Significance of maternal uterine proteins in the establishment of pregnancy -- Discussion -- Molecular and cellular aspects of facultative delayed implantation in the mouse -- Discussion -- Hormonal control of embryonic diapause and reactivation in the tammar wallaby -- Discussion -- Human chorionic gonadotropin and maternal recognition of pregnancy -- Discussion -- Blastocyst oestrogen synthesis and the maternal recognition of pregnancy -- Discussion -- The nature and role of pregnancy-associated antigens and the endocrinology of early pregnancy in the ewe -- Discussion -- Antiluteolytic effect of the embryo -- Discussion -- Maternal immunological recognition mechanisms during pregnancy -- Discussion -- Maternal recognition of pregnancy and immunological implications of trophoblast-endometrium interactions in equids -- Discussion -- Immunological interference with the maternal recognition of pregnancy in primates -- Discussion -- When a conception fails to become a pregnancy -- Discussion -- Final general discussion -- Is there maternal recognition of pregnancy before implantation? -- Signals in ectopic pregnancy -- Progesterone metabolism in early pregnancy -- Uterine secretion of prostaglandins -- Specific uterine proteins in pregnancy -- Chairman's summing-up -- Index of contributors -- Subject index.