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Survival Signalling in the Preimplantation Embryo

Theriogenology, 2012
The development of the preimplantation embryo (from fertilisation until the formation of the differentiated blastocyst) occurs without a requirement for exogenous mitogenic or survival signals. This distinguishes the behaviour of cells in the early embryo from all other normal cells.
C, O'Neill, Y, Li, X L, Jin
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FISH in Preimplantation Diagnosis

2003
Analysis of chromosomes in human embryonic nuclei would ideally be achieved by karyotyping. Several studies have used this technique to examine human embryonic chromosomes (1-4), but information is limited, since it is difficult to obtain bandable metaphase spreads.
J C, Harper, J D, Delhanty
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[Preimplantation diagnosis--PID: preimplantation genetic diagnosis (PGD) and preimplantation genetic screening (PGS)].

Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz, 2015
Preimplantation diagnosis (PID) comprises all the relevant diagnostic procedures for the investigation of genetic, structural, or numerical changes of the genetic information in spermatozoa and oocytes as well as in embryos after in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI).
M, Montag, B, Toth, T, Strowitzki
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Preimplantation Diagnosis