title: The relationship between mother and embryo during the preimplantation period with particular reference to fertility and fitness of the offspring.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000502:physiology; D002369:Castration; D000013:Congenital Abnormalities / Q000196:embryology; D003338:Corpus Luteum / Q000502:physiology; D010064:Embryo Implantation; D047108:Embryonic Development; D004717:Endometrium / Q000502:physiology; D005260:Female; D005298:Fertility; D007774:Lactation; D008098:Litter Size; D010057:Oviducts / Q000502:physiology; D010063:Ovum / Q000502:physiology / Q000637:transplantation; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011374:Progesterone / Q000502:physiology; D011555:Pseudopregnancy; D011817:Rabbits; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous; D014599:Uterus / Q000502:physiology
chemical_list: D011374:Progesterone