What Is Embryo Grading in IVF? Understanding 3AA, 4AA, 5AB and Other Grades
Embryo grading in IVF is a laboratory assessment used to describe how an embryo looks and develops under a microscope. During an IVF cycle, embryologists monitor embryos after fertilisation and evaluate their development before deciding which embryos may be suitable for transfer or freezing.
For patients, embryo grades such as 3AA, 4AA, 5AB, 4BB or 3BC can initially seem confusing. These...
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