Vitrified IVF Blastula.

Vitrified IVF Blastula.
Vitrified blastula after thawing. Grade 4, Code 2 or 3. Well organized blastomeres but no blastocele. There are also vacuoles and there is cellular detritus likely as a result of the freezing and thawing process.

Zambrano-Varon J (2012)