Pictures of abnormal and normal day 3, 8-cell human embryos from IVF
Advanced Fertility Center of Chicago
Gurnee & Crystal Lake, Illinois

This is an 8-cell embryo (day 3) that has an unusual shape
It should be spherical instead of looking like a football
The shell (zona pellucida) is also slightly thicker than normal
Distortion in shape could be caused by suction pressure during egg retrieval
The significance of the shape (if any) is unknown

This is a normally shaped, high-grade 8-cell embryo
Numerous sperm are visible attached to the outer shell

This embryo is also a day 3 embryo
It is severely fragmented and very low quality
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