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Beautiful Blastocysts

Does Embryo Grading Matter?⁠

#Embryo grading is not an exact science, but it is a tool that providers use in addition to other factors to determine which embryos may be fit for transferring. ⁠

Blastocysts are embryos that have advanced to the 5 or 6 day stage.

Blastocysts possess an inner cell mass which will become the baby. The outer layer of cells of the blastocyst are called the trophoblast. The trophoblast will become the placenta.This layer surrounds the inner cell mass and a fluid-filled cavity known as the blastocoel. Blastocysts are qualified by their inner cell mass and trophoblast.

Rating #blastocysts follows a three-part system of grading, however there are many systems of grading.

The three parts are always: ⁠
-The degree of the expansion of the embryo’s cavity.⁠
-The inner cell mass (the baby-making part) quality.⁠
-The trophectoderm quality (the cell layer that makes the placenta and the membranes surrounding the baby).⁠

The number of blastocysts available is a key determinant for a patient’s chance of success with ART, thus blastocyst development rate is an important measure of an IVF clinic’s performance. ⁠ However, most human embryos do not have the genetic potential to develop normally to the blastocyst stage, hatch from their shells, implant and continue normal embryonic development in order to result in a live birth.

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