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Term

Blastocyst

What Is

Blastocyst?

A blastocyst is a fertilized egg that has developed for 5-6 days and contains 3 distinct features including a fluid-filled cavity trophectoderm/trophoblast (T) cells, and an inner cell mass (ICM).

A blastocyst may also be referred to as a Day 5,6 or 7 embryo.

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