(European Society of Human Reproduction and Embryology) Embryo quality has long been considered the main determinant of implantation and pregnancy in IVF. Morphology -- a visual assessment of an embryo's shape and development -- has since the very first days of IVF been the key to measuring this embryo quality, and only in recent years has this morphological grading been made somewhat more scientific with the introduction of time-lapse imaging.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2td51uO
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