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Os métodos não invasivos superarão os invasivos para avaliar gametas e embriões?

The need to identify the most viable embryo following in vitro fertilization (IVF) was established early in the history of human IVF, when the only available information about the embryo could be obtained from cleavage rates and morphology patterns. Indeed, early studies, including those by Bob Edwards, stated that ‘‘cleavage rates on a certain day and overall embryo morphology were valuable in choosing which embryo to transfer’’ (1).

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