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Details

Autor(en) / Beteiligte
Titel
Significance of morphological attributes of the early embryo
Ist Teil von
  • Reproductive biomedicine online, 2005, Vol.10 (5), p.669-681
Ort / Verlag
Netherlands: Elsevier Ltd
Erscheinungsjahr
2005
Quelle
MEDLINE
Beschreibungen/Notizen
  • There are many morphological transformations during development of human embryos that mainly involve phenomena that can be easily assessed in living embryos by simple non-invasive microscopical observation. A clear correlation between pronuclear morphology and the ability of the resulting embryo to continue developing and to implant has been described. There is also general agreement that a positive relationship exists between early embryo morphology and implantation rate. The parameters classically involved in embryo evaluation are: cleavage rate, blastomere symmetry, cytoplasmic appearance, extent of fragmentation and blastomere nuclear status. In this paper, morphological features that have been related to embryo developmental potential are described. Furthermore, the ability of a cumulative classification scheme developed in the laboratory to predict blastocyst formation and implantation is analysed.

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