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4-cell embryos from IVF

Granular appearance of cells

This 4-cell embryo is from a 40 year-old woman
The cells are quite granular in appearance
We prefer that the embryos were not granular but the cause and significance is unknown
Some fragmentation is seen in the 1 to 3 o'clock area

This is a more normal appearing (not granular) 4-cell embryo for comparison