《英文msh词典》Tubal Embryo Stage Transfer
[入口词] Tubal Embryo Stage Transfer
[主题词] Embryo Transfer
[英文释义] The transfer of mammalian embryos from an in vivo or in vitro environment to a suitable host to improve pregnancy or gestational outcome in human or animal. In human fertility treatment programs,preimplantation embryos ranging from the 4-cell stage to the blastocyst stage are transferred to the uterine cavity between 3-5 days after FERTILIZATION IN VITRO.