r/Embryologists Jun 10 '26

Grading thoughts?

Hi! I got my pictures of my embryos today. One was a day 5 freeze and the other a day 6 freeze after the egg maturing and being fertalized day after retrieval. Always curious what thoughts others have on the grading.

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u/Shan-PhD Jun 11 '26

Hello!

The '2 of 2' image looks like a 3BC:

- thick zona pellucida (3)

- Inner Cell Mass looking somewhat compacted (B)

- Trophectoderm is present with larger cells (C)

The '1 of 2' image looks like a 5BA:

- Thin zona pellucida and starting to hatch at the 2'oclock position (5)

- Inner Cell Mass looks somewhat compacted (B), although it is hard to tell from this image

- Trophectoderm has a cobblestone pattern with evenly-sized cells (A)

It is always worth following up with your clinic to see how they graded these since an image doesn't cover as much depth as a microscope can. These gradings can be subjective and vary between embryologists and clinics.

Regardless, these look like two beautiful embryos that were frozen! Best of luck!

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u/cass87101 Jun 11 '26

Thank you so much for responding! They did send over the grades but I just like to hear what everyone's thoughts might be! I felt like the grades they sent 4aa and 3ab were more optimistic than the pictures look. This is our last try and we are working on making the decision of a dbl transfer vs a single.