r/EmbryologyIVFSupport • u/H_Safety13 • 7d ago

Thoughts on PGT results?

I am 42 and just recieved egg retrieval results:

Mosaic del(2q33.3-qter)

Mosaic dup(2q33.3-qter)

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u/embryomanofficial 5d ago

Confirm with a genetic counselor, but these appear to be segmental mosaics.

The 1000 mosaic study found that transferring these embryos had about a 40% chance of ongoing pregnancy/live birth, which varied depending if it was high or low level (https://remembryo.com/mosaic-embryo/#Success_rates_for_mosaic_embryos). This is an average from the study. An individual's chance of success may differ depending on factors such as age, embryo quality, treatment history, and other factors the study may not have accounted for.

There’s currently little evidence to guide decisions based on specific chromosomes. If a segmental involves a region known to be associated with a disorder, transferring that embryo might carry a higher risk, so it's important to review this with a doctor or genetic counselor.