Question: Is a grade 5AB embryo good?

Does embryo grading matter? Yes. Embryos graded as AB or BA (3AB, 4AB, 5AB, 6AB, 3BA, 4BA, 5BA, 6BA), seem to have lower chance of pregnancy, but nearly similar chance of live birth. Embryos graded as BB (3BB, 4BB, 5BB, 6BB) still have a good chance of success at 50% for pregnancy and 42.3% for live birth.

What is a good embryo grade?

Typically an 8A on D3 is the best grade. These embryos show that there are 6-8 evenly sized cells, with no or less than 10% fragmentation. These embryos have more uneven or irregularly shaped cells with 25-50% fragmentation.

Are Grade C embryos viable?

The grade of A is the highest and rarely given. C is considered nonviable and will not be transferred. From day three to day five, embryos can grow into blastocysts. Grading blastocysts is different from cleavage grading.

Can a 3BB embryo implant?

Embryos graded as BB (3BB, 4BB, 5BB, 6BB) still have a good chance of success at 50% for pregnancy and 42.3% for live birth. While those graded BC or CB have about a third chance of implantation and 25% chance of live birth.

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